28982200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 74057760

約数和(自身を除く): 45075560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 71, 100, 104, 130, 142, 157, 200, 260, 284, 314, 325, 355, 520, 568, 628, 650, 710, 785, 923, 1256, 1300, 1420, 1570, 1775, 1846, 2041, 2600, 2840, 3140, 3550, 3692, 3925, 4082, 4615, 6280, 7100, 7384, 7850, 8164, 9230, 10205, 11147, 14200, 15700, 16328, 18460, 20410, 22294, 23075, 31400, 36920, 40820, 44588, 46150, 51025, 55735, 81640, 89176, 92300, 102050, 111470, 144911, 184600, 204100, 222940, 278675, 289822, 408200, 445880, 557350, 579644, 724555, 1114700, 1159288, 1449110, 2229400, 2898220, 3622775, 5796440, 7245550, 14491100, 28982200]

約数ペア:

[(1, 28982200), (2, 14491100), (4, 7245550), (5, 5796440), (8, 3622775), (10, 2898220), (13, 2229400), (20, 1449110), (25, 1159288), (26, 1114700), (40, 724555), (50, 579644), (52, 557350), (65, 445880), (71, 408200), (100, 289822), (104, 278675), (130, 222940), (142, 204100), (157, 184600), (200, 144911), (260, 111470), (284, 102050), (314, 92300), (325, 89176), (355, 81640), (520, 55735), (568, 51025), (628, 46150), (650, 44588), (710, 40820), (785, 36920), (923, 31400), (1256, 23075), (1300, 22294), (1420, 20410), (1570, 18460), (1775, 16328), (1846, 15700), (2041, 14200), (2600, 11147), (2840, 10205), (3140, 9230), (3550, 8164), (3692, 7850), (3925, 7384), (4082, 7100), (4615, 6280)]