398327400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 216

約数和(自身を含む): 1414131030

約数和(自身を除く): 1015803630

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 361, 380, 450, 456, 475, 570, 600, 613, 684, 722, 760, 855, 900, 950, 1083, 1140, 1226, 1368, 1425, 1444, 1710, 1800, 1805, 1839, 1900, 2166, 2280, 2452, 2850, 2888, 3065, 3249, 3420, 3610, 3678, 3800, 4275, 4332, 4904, 5415, 5517, 5700, 6130, 6498, 6840, 7220, 7356, 8550, 8664, 9025, 9195, 10830, 11034, 11400, 11647, 12260, 12996, 14440, 14712, 15325, 16245, 17100, 18050, 18390, 21660, 22068, 23294, 24520, 25992, 27075, 27585, 30650, 32490, 34200, 34941, 36100, 36780, 43320, 44136, 45975, 46588, 54150, 55170, 58235, 61300, 64980, 69882, 72200, 73560, 81225, 91950, 93176, 104823, 108300, 110340, 116470, 122600, 129960, 137925, 139764, 162450, 174705, 183900, 209646, 216600, 220680, 221293, 232940, 275850, 279528, 291175, 324900, 349410, 367800, 419292, 442586, 465880, 524115, 551700, 582350, 649800, 663879, 698820, 838584, 873525, 885172, 1048230, 1103400, 1106465, 1164700, 1327758, 1397640, 1747050, 1770344, 1991637, 2096460, 2212930, 2329400, 2620575, 2655516, 3319395, 3494100, 3983274, 4192920, 4425860, 5241150, 5311032, 5532325, 6638790, 6988200, 7966548, 8851720, 9958185, 10482300, 11064650, 13277580, 15933096, 16596975, 19916370, 20964600, 22129300, 26555160, 33193950, 39832740, 44258600, 49790925, 66387900, 79665480, 99581850, 132775800, 199163700, 398327400]

約数ペア:

[(1, 398327400), (2, 199163700), (3, 132775800), (4, 99581850), (5, 79665480), (6, 66387900), (8, 49790925), (9, 44258600), (10, 39832740), (12, 33193950), (15, 26555160), (18, 22129300), (19, 20964600), (20, 19916370), (24, 16596975), (25, 15933096), (30, 13277580), (36, 11064650), (38, 10482300), (40, 9958185), (45, 8851720), (50, 7966548), (57, 6988200), (60, 6638790), (72, 5532325), (75, 5311032), (76, 5241150), (90, 4425860), (95, 4192920), (100, 3983274), (114, 3494100), (120, 3319395), (150, 2655516), (152, 2620575), (171, 2329400), (180, 2212930), (190, 2096460), (200, 1991637), (225, 1770344), (228, 1747050), (285, 1397640), (300, 1327758), (342, 1164700), (360, 1106465), (361, 1103400), (380, 1048230), (450, 885172), (456, 873525), (475, 838584), (570, 698820), (600, 663879), (613, 649800), (684, 582350), (722, 551700), (760, 524115), (855, 465880), (900, 442586), (950, 419292), (1083, 367800), (1140, 349410), (1226, 324900), (1368, 291175), (1425, 279528), (1444, 275850), (1710, 232940), (1800, 221293), (1805, 220680), (1839, 216600), (1900, 209646), (2166, 183900), (2280, 174705), (2452, 162450), (2850, 139764), (2888, 137925), (3065, 129960), (3249, 122600), (3420, 116470), (3610, 110340), (3678, 108300), (3800, 104823), (4275, 93176), (4332, 91950), (4904, 81225), (5415, 73560), (5517, 72200), (5700, 69882), (6130, 64980), (6498, 61300), (6840, 58235), (7220, 55170), (7356, 54150), (8550, 46588), (8664, 45975), (9025, 44136), (9195, 43320), (10830, 36780), (11034, 36100), (11400, 34941), (11647, 34200), (12260, 32490), (12996, 30650), (14440, 27585), (14712, 27075), (15325, 25992), (16245, 24520), (17100, 23294), (18050, 22068), (18390, 21660)]