77138440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 178459200

約数和(自身を除く): 101320760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 107, 134, 214, 268, 269, 335, 428, 535, 536, 538, 670, 856, 1070, 1076, 1340, 1345, 2140, 2152, 2680, 2690, 4280, 5380, 7169, 10760, 14338, 18023, 28676, 28783, 35845, 36046, 57352, 57566, 71690, 72092, 90115, 115132, 143380, 143915, 144184, 180230, 230264, 286760, 287830, 360460, 575660, 720920, 1151320, 1928461, 3856922, 7713844, 9642305, 15427688, 19284610, 38569220, 77138440]

約数ペア:

[(1, 77138440), (2, 38569220), (4, 19284610), (5, 15427688), (8, 9642305), (10, 7713844), (20, 3856922), (40, 1928461), (67, 1151320), (107, 720920), (134, 575660), (214, 360460), (268, 287830), (269, 286760), (335, 230264), (428, 180230), (535, 144184), (536, 143915), (538, 143380), (670, 115132), (856, 90115), (1070, 72092), (1076, 71690), (1340, 57566), (1345, 57352), (2140, 36046), (2152, 35845), (2680, 28783), (2690, 28676), (4280, 18023), (5380, 14338), (7169, 10760)]