381565360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 160

約数和(自身を含む): 1018220544

約数和(自身を除く): 636655184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 71, 80, 88, 110, 124, 142, 155, 176, 197, 220, 248, 284, 310, 341, 355, 394, 440, 496, 568, 620, 682, 710, 781, 788, 880, 985, 1136, 1240, 1364, 1420, 1562, 1576, 1705, 1970, 2167, 2201, 2480, 2728, 2840, 3124, 3152, 3410, 3905, 3940, 4334, 4402, 5456, 5680, 6107, 6248, 6820, 7810, 7880, 8668, 8804, 10835, 11005, 12214, 12496, 13640, 13987, 15620, 15760, 17336, 17608, 21670, 22010, 24211, 24428, 27280, 27974, 30535, 31240, 34672, 35216, 43340, 44020, 48422, 48856, 55948, 61070, 62480, 67177, 69935, 86680, 88040, 96844, 97712, 111896, 121055, 122140, 134354, 139870, 153857, 173360, 176080, 193688, 223792, 242110, 244280, 268708, 279740, 307714, 335885, 387376, 433597, 484220, 488560, 537416, 559480, 615428, 671770, 769285, 867194, 968440, 1074832, 1118960, 1230856, 1343540, 1538570, 1734388, 1936880, 2167985, 2461712, 2687080, 3077140, 3468776, 4335970, 4769567, 5374160, 6154280, 6937552, 8671940, 9539134, 12308560, 17343880, 19078268, 23847835, 34687760, 38156536, 47695670, 76313072, 95391340, 190782680, 381565360]

約数ペア:

[(1, 381565360), (2, 190782680), (4, 95391340), (5, 76313072), (8, 47695670), (10, 38156536), (11, 34687760), (16, 23847835), (20, 19078268), (22, 17343880), (31, 12308560), (40, 9539134), (44, 8671940), (55, 6937552), (62, 6154280), (71, 5374160), (80, 4769567), (88, 4335970), (110, 3468776), (124, 3077140), (142, 2687080), (155, 2461712), (176, 2167985), (197, 1936880), (220, 1734388), (248, 1538570), (284, 1343540), (310, 1230856), (341, 1118960), (355, 1074832), (394, 968440), (440, 867194), (496, 769285), (568, 671770), (620, 615428), (682, 559480), (710, 537416), (781, 488560), (788, 484220), (880, 433597), (985, 387376), (1136, 335885), (1240, 307714), (1364, 279740), (1420, 268708), (1562, 244280), (1576, 242110), (1705, 223792), (1970, 193688), (2167, 176080), (2201, 173360), (2480, 153857), (2728, 139870), (2840, 134354), (3124, 122140), (3152, 121055), (3410, 111896), (3905, 97712), (3940, 96844), (4334, 88040), (4402, 86680), (5456, 69935), (5680, 67177), (6107, 62480), (6248, 61070), (6820, 55948), (7810, 48856), (7880, 48422), (8668, 44020), (8804, 43340), (10835, 35216), (11005, 34672), (12214, 31240), (12496, 30535), (13640, 27974), (13987, 27280), (15620, 24428), (15760, 24211), (17336, 22010), (17608, 21670)]