1994685420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{365327}}^1$

素因数の和:365359

約数の個数: 96

約数和(自身を含む): 6874011648

約数和(自身を除く): 4879326228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 365327, 730654, 1095981, 1461308, 1826635, 2191962, 2557289, 3653270, 4383924, 4749251, 5114578, 5479905, 7306540, 7671867, 9498502, 10229156, 10959810, 12786445, 14247753, 15343734, 18997004, 21919620, 23746255, 25572890, 28495506, 30687468, 33244757, 38359335, 47492510, 51145780, 56991012, 66489514, 71238765, 76718670, 94985020, 99734271, 132979028, 142477530, 153437340, 166223785, 199468542, 284955060, 332447570, 398937084, 498671355, 664895140, 997342710, 1994685420]

約数ペア:

[(1, 1994685420), (2, 997342710), (3, 664895140), (4, 498671355), (5, 398937084), (6, 332447570), (7, 284955060), (10, 199468542), (12, 166223785), (13, 153437340), (14, 142477530), (15, 132979028), (20, 99734271), (21, 94985020), (26, 76718670), (28, 71238765), (30, 66489514), (35, 56991012), (39, 51145780), (42, 47492510), (52, 38359335), (60, 33244757), (65, 30687468), (70, 28495506), (78, 25572890), (84, 23746255), (91, 21919620), (105, 18997004), (130, 15343734), (140, 14247753), (156, 12786445), (182, 10959810), (195, 10229156), (210, 9498502), (260, 7671867), (273, 7306540), (364, 5479905), (390, 5114578), (420, 4749251), (455, 4383924), (546, 3653270), (780, 2557289), (910, 2191962), (1092, 1826635), (1365, 1461308), (1820, 1095981), (2730, 730654), (5460, 365327)]