217871100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 288

約数和(自身を含む): 766617600

約数和(自身を除く): 548746500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 31, 36, 38, 45, 50, 54, 57, 60, 62, 75, 76, 90, 93, 95, 100, 108, 114, 124, 135, 137, 150, 155, 171, 180, 186, 190, 225, 228, 270, 274, 279, 285, 300, 310, 342, 372, 380, 411, 450, 465, 475, 513, 540, 548, 558, 570, 589, 620, 675, 684, 685, 775, 822, 837, 855, 900, 930, 950, 1026, 1116, 1140, 1178, 1233, 1350, 1370, 1395, 1425, 1550, 1644, 1674, 1710, 1767, 1860, 1900, 2052, 2055, 2325, 2356, 2466, 2565, 2603, 2700, 2740, 2790, 2850, 2945, 3100, 3348, 3420, 3425, 3534, 3699, 4110, 4185, 4247, 4275, 4650, 4932, 5130, 5206, 5301, 5580, 5700, 5890, 6165, 6850, 6975, 7068, 7398, 7809, 8220, 8370, 8494, 8550, 8835, 9300, 10260, 10275, 10412, 10602, 11780, 12330, 12741, 12825, 13015, 13700, 13950, 14725, 14796, 15618, 15903, 16740, 16988, 17100, 17670, 18495, 20550, 20925, 21204, 21235, 23427, 24660, 25482, 25650, 26030, 26505, 27900, 29450, 30825, 31236, 31806, 35340, 36990, 38223, 39045, 41100, 41850, 42470, 44175, 46854, 50964, 51300, 52060, 53010, 58900, 61650, 63612, 63705, 65075, 70281, 73980, 76446, 78090, 79515, 80693, 83700, 84940, 88350, 92475, 93708, 106020, 106175, 114669, 117135, 123300, 127410, 130150, 132525, 140562, 152892, 156180, 159030, 161386, 176700, 184950, 191115, 195225, 212350, 229338, 234270, 242079, 254820, 260300, 265050, 281124, 318060, 318525, 322772, 351405, 369900, 382230, 390450, 397575, 403465, 424700, 458676, 468540, 484158, 530100, 573345, 585675, 637050, 702810, 726237, 764460, 780900, 795150, 806930, 955575, 968316, 1146690, 1171350, 1210395, 1274100, 1405620, 1452474, 1590300, 1613860, 1757025, 1911150, 2017325, 2178711, 2293380, 2342700, 2420790, 2866725, 2904948, 3514050, 3631185, 3822300, 4034650, 4357422, 4841580, 5733450, 6051975, 7028100, 7262370, 8069300, 8714844, 10893555, 11466900, 12103950, 14524740, 18155925, 21787110, 24207900, 36311850, 43574220, 54467775, 72623700, 108935550, 217871100]

約数ペア:

[(1, 217871100), (2, 108935550), (3, 72623700), (4, 54467775), (5, 43574220), (6, 36311850), (9, 24207900), (10, 21787110), (12, 18155925), (15, 14524740), (18, 12103950), (19, 11466900), (20, 10893555), (25, 8714844), (27, 8069300), (30, 7262370), (31, 7028100), (36, 6051975), (38, 5733450), (45, 4841580), (50, 4357422), (54, 4034650), (57, 3822300), (60, 3631185), (62, 3514050), (75, 2904948), (76, 2866725), (90, 2420790), (93, 2342700), (95, 2293380), (100, 2178711), (108, 2017325), (114, 1911150), (124, 1757025), (135, 1613860), (137, 1590300), (150, 1452474), (155, 1405620), (171, 1274100), (180, 1210395), (186, 1171350), (190, 1146690), (225, 968316), (228, 955575), (270, 806930), (274, 795150), (279, 780900), (285, 764460), (300, 726237), (310, 702810), (342, 637050), (372, 585675), (380, 573345), (411, 530100), (450, 484158), (465, 468540), (475, 458676), (513, 424700), (540, 403465), (548, 397575), (558, 390450), (570, 382230), (589, 369900), (620, 351405), (675, 322772), (684, 318525), (685, 318060), (775, 281124), (822, 265050), (837, 260300), (855, 254820), (900, 242079), (930, 234270), (950, 229338), (1026, 212350), (1116, 195225), (1140, 191115), (1178, 184950), (1233, 176700), (1350, 161386), (1370, 159030), (1395, 156180), (1425, 152892), (1550, 140562), (1644, 132525), (1674, 130150), (1710, 127410), (1767, 123300), (1860, 117135), (1900, 114669), (2052, 106175), (2055, 106020), (2325, 93708), (2356, 92475), (2466, 88350), (2565, 84940), (2603, 83700), (2700, 80693), (2740, 79515), (2790, 78090), (2850, 76446), (2945, 73980), (3100, 70281), (3348, 65075), (3420, 63705), (3425, 63612), (3534, 61650), (3699, 58900), (4110, 53010), (4185, 52060), (4247, 51300), (4275, 50964), (4650, 46854), (4932, 44175), (5130, 42470), (5206, 41850), (5301, 41100), (5580, 39045), (5700, 38223), (5890, 36990), (6165, 35340), (6850, 31806), (6975, 31236), (7068, 30825), (7398, 29450), (7809, 27900), (8220, 26505), (8370, 26030), (8494, 25650), (8550, 25482), (8835, 24660), (9300, 23427), (10260, 21235), (10275, 21204), (10412, 20925), (10602, 20550), (11780, 18495), (12330, 17670), (12741, 17100), (12825, 16988), (13015, 16740), (13700, 15903), (13950, 15618), (14725, 14796)]