1998904020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{2797}}^1$

素因数の和:3129

約数の個数: 96

約数和(自身を含む): 5749822848

約数和(自身を除く): 3750918828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 277, 430, 516, 554, 645, 831, 860, 1108, 1290, 1385, 1662, 2580, 2770, 2797, 3324, 4155, 5540, 5594, 8310, 8391, 11188, 11911, 13985, 16620, 16782, 23822, 27970, 33564, 35733, 41955, 47644, 55940, 59555, 71466, 83910, 119110, 120271, 142932, 167820, 178665, 238220, 240542, 357330, 360813, 481084, 601355, 714660, 721626, 774769, 1202710, 1443252, 1549538, 1804065, 2324307, 2405420, 3099076, 3608130, 3873845, 4648614, 7216260, 7747690, 9297228, 11621535, 15495380, 23243070, 33315067, 46486140, 66630134, 99945201, 133260268, 166575335, 199890402, 333150670, 399780804, 499726005, 666301340, 999452010, 1998904020]

約数ペア:

[(1, 1998904020), (2, 999452010), (3, 666301340), (4, 499726005), (5, 399780804), (6, 333150670), (10, 199890402), (12, 166575335), (15, 133260268), (20, 99945201), (30, 66630134), (43, 46486140), (60, 33315067), (86, 23243070), (129, 15495380), (172, 11621535), (215, 9297228), (258, 7747690), (277, 7216260), (430, 4648614), (516, 3873845), (554, 3608130), (645, 3099076), (831, 2405420), (860, 2324307), (1108, 1804065), (1290, 1549538), (1385, 1443252), (1662, 1202710), (2580, 774769), (2770, 721626), (2797, 714660), (3324, 601355), (4155, 481084), (5540, 360813), (5594, 357330), (8310, 240542), (8391, 238220), (11188, 178665), (11911, 167820), (13985, 142932), (16620, 120271), (16782, 119110), (23822, 83910), (27970, 71466), (33564, 59555), (35733, 55940), (41955, 47644)]