279222580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 767692800

約数和(自身を除く): 488470220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 101, 124, 130, 140, 155, 182, 196, 202, 217, 245, 260, 310, 343, 364, 403, 404, 434, 455, 490, 505, 620, 637, 686, 707, 806, 868, 910, 980, 1010, 1085, 1274, 1313, 1372, 1414, 1519, 1612, 1715, 1820, 2015, 2020, 2170, 2548, 2626, 2821, 2828, 3038, 3131, 3185, 3430, 3535, 4030, 4340, 4459, 4949, 5252, 5642, 6076, 6262, 6370, 6565, 6860, 7070, 7595, 8060, 8918, 9191, 9898, 10633, 11284, 12524, 12740, 13130, 14105, 14140, 15190, 15655, 17836, 18382, 19747, 19796, 21266, 21917, 22295, 24745, 26260, 28210, 30380, 31310, 34643, 36764, 39494, 40703, 42532, 43834, 44590, 45955, 49490, 53165, 56420, 62620, 64337, 69286, 78988, 81406, 87668, 89180, 91910, 98735, 98980, 106330, 109585, 128674, 138229, 138572, 153419, 162812, 173215, 183820, 197470, 203515, 212660, 219170, 257348, 276458, 284921, 306838, 321685, 346430, 394940, 407030, 438340, 450359, 552916, 569842, 613676, 643370, 691145, 692860, 767095, 814060, 900718, 1073933, 1139684, 1286740, 1382290, 1424605, 1534190, 1801436, 1994447, 2147866, 2251795, 2764580, 2849210, 3068380, 3988894, 4295732, 4503590, 5369665, 5698420, 7977788, 9007180, 9972235, 10739330, 13961129, 19944470, 21478660, 27922258, 39888940, 55844516, 69805645, 139611290, 279222580]

約数ペア:

[(1, 279222580), (2, 139611290), (4, 69805645), (5, 55844516), (7, 39888940), (10, 27922258), (13, 21478660), (14, 19944470), (20, 13961129), (26, 10739330), (28, 9972235), (31, 9007180), (35, 7977788), (49, 5698420), (52, 5369665), (62, 4503590), (65, 4295732), (70, 3988894), (91, 3068380), (98, 2849210), (101, 2764580), (124, 2251795), (130, 2147866), (140, 1994447), (155, 1801436), (182, 1534190), (196, 1424605), (202, 1382290), (217, 1286740), (245, 1139684), (260, 1073933), (310, 900718), (343, 814060), (364, 767095), (403, 692860), (404, 691145), (434, 643370), (455, 613676), (490, 569842), (505, 552916), (620, 450359), (637, 438340), (686, 407030), (707, 394940), (806, 346430), (868, 321685), (910, 306838), (980, 284921), (1010, 276458), (1085, 257348), (1274, 219170), (1313, 212660), (1372, 203515), (1414, 197470), (1519, 183820), (1612, 173215), (1715, 162812), (1820, 153419), (2015, 138572), (2020, 138229), (2170, 128674), (2548, 109585), (2626, 106330), (2821, 98980), (2828, 98735), (3038, 91910), (3131, 89180), (3185, 87668), (3430, 81406), (3535, 78988), (4030, 69286), (4340, 64337), (4459, 62620), (4949, 56420), (5252, 53165), (5642, 49490), (6076, 45955), (6262, 44590), (6370, 43834), (6565, 42532), (6860, 40703), (7070, 39494), (7595, 36764), (8060, 34643), (8918, 31310), (9191, 30380), (9898, 28210), (10633, 26260), (11284, 24745), (12524, 22295), (12740, 21917), (13130, 21266), (14105, 19796), (14140, 19747), (15190, 18382), (15655, 17836)]