90125420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1431

約数の個数: 96

約数和(自身を含む): 241629696

約数和(自身を除く): 151504276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1361, 1505, 1540, 1892, 2365, 2722, 3010, 3311, 4730, 5444, 6020, 6622, 6805, 9460, 9527, 13244, 13610, 14971, 16555, 19054, 27220, 29942, 33110, 38108, 47635, 58523, 59884, 66220, 74855, 95270, 104797, 117046, 149710, 190540, 209594, 234092, 292615, 299420, 409661, 419188, 523985, 585230, 643753, 819322, 1047970, 1170460, 1287506, 1638644, 2048305, 2095940, 2575012, 3218765, 4096610, 4506271, 6437530, 8193220, 9012542, 12875060, 18025084, 22531355, 45062710, 90125420]

約数ペア:

[(1, 90125420), (2, 45062710), (4, 22531355), (5, 18025084), (7, 12875060), (10, 9012542), (11, 8193220), (14, 6437530), (20, 4506271), (22, 4096610), (28, 3218765), (35, 2575012), (43, 2095940), (44, 2048305), (55, 1638644), (70, 1287506), (77, 1170460), (86, 1047970), (110, 819322), (140, 643753), (154, 585230), (172, 523985), (215, 419188), (220, 409661), (301, 299420), (308, 292615), (385, 234092), (430, 209594), (473, 190540), (602, 149710), (770, 117046), (860, 104797), (946, 95270), (1204, 74855), (1361, 66220), (1505, 59884), (1540, 58523), (1892, 47635), (2365, 38108), (2722, 33110), (3010, 29942), (3311, 27220), (4730, 19054), (5444, 16555), (6020, 14971), (6622, 13610), (6805, 13244), (9460, 9527)]