2018179940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1101

約数の個数: 96

約数和(自身を含む): 4925007360

約数和(自身を除く): 2906827420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 173, 206, 346, 412, 515, 692, 721, 809, 865, 1030, 1211, 1442, 1618, 1730, 2060, 2422, 2884, 3236, 3460, 3605, 4045, 4844, 5663, 6055, 7210, 8090, 11326, 12110, 14420, 16180, 17819, 22652, 24220, 28315, 35638, 56630, 71276, 83327, 89095, 113260, 124733, 139957, 166654, 178190, 249466, 279914, 333308, 356380, 416635, 498932, 559828, 583289, 623665, 699785, 833270, 979699, 1166578, 1247330, 1399570, 1666540, 1959398, 2333156, 2494660, 2799140, 2916445, 3918796, 4898495, 5832890, 9796990, 11665780, 14415571, 19593980, 28831142, 57662284, 72077855, 100908997, 144155710, 201817994, 288311420, 403635988, 504544985, 1009089970, 2018179940]

約数ペア:

[(1, 2018179940), (2, 1009089970), (4, 504544985), (5, 403635988), (7, 288311420), (10, 201817994), (14, 144155710), (20, 100908997), (28, 72077855), (35, 57662284), (70, 28831142), (103, 19593980), (140, 14415571), (173, 11665780), (206, 9796990), (346, 5832890), (412, 4898495), (515, 3918796), (692, 2916445), (721, 2799140), (809, 2494660), (865, 2333156), (1030, 1959398), (1211, 1666540), (1442, 1399570), (1618, 1247330), (1730, 1166578), (2060, 979699), (2422, 833270), (2884, 699785), (3236, 623665), (3460, 583289), (3605, 559828), (4045, 498932), (4844, 416635), (5663, 356380), (6055, 333308), (7210, 279914), (8090, 249466), (11326, 178190), (12110, 166654), (14420, 139957), (16180, 124733), (17819, 113260), (22652, 89095), (24220, 83327), (28315, 71276), (35638, 56630)]