133330900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 298105920

約数和(自身を除く): 164775020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 89, 100, 142, 178, 211, 284, 355, 356, 422, 445, 710, 844, 890, 1055, 1420, 1775, 1780, 2110, 2225, 3550, 4220, 4450, 5275, 6319, 7100, 8900, 10550, 12638, 14981, 18779, 21100, 25276, 29962, 31595, 37558, 59924, 63190, 74905, 75116, 93895, 126380, 149810, 157975, 187790, 299620, 315950, 374525, 375580, 469475, 631900, 749050, 938950, 1333309, 1498100, 1877900, 2666618, 5333236, 6666545, 13333090, 26666180, 33332725, 66665450, 133330900]

約数ペア:

[(1, 133330900), (2, 66665450), (4, 33332725), (5, 26666180), (10, 13333090), (20, 6666545), (25, 5333236), (50, 2666618), (71, 1877900), (89, 1498100), (100, 1333309), (142, 938950), (178, 749050), (211, 631900), (284, 469475), (355, 375580), (356, 374525), (422, 315950), (445, 299620), (710, 187790), (844, 157975), (890, 149810), (1055, 126380), (1420, 93895), (1775, 75116), (1780, 74905), (2110, 63190), (2225, 59924), (3550, 37558), (4220, 31595), (4450, 29962), (5275, 25276), (6319, 21100), (7100, 18779), (8900, 14981), (10550, 12638)]