77867900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2441}}^1$

素因数の和:2495

約数の個数: 72

約数和(自身を含む): 190769040

約数和(自身を除く): 112901140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2441, 2900, 3190, 4882, 6380, 7975, 9764, 12205, 15950, 24410, 26851, 31900, 48820, 53702, 61025, 70789, 107404, 122050, 134255, 141578, 244100, 268510, 283156, 353945, 537020, 671275, 707890, 778679, 1342550, 1415780, 1557358, 1769725, 2685100, 3114716, 3539450, 3893395, 7078900, 7786790, 15573580, 19466975, 38933950, 77867900]

約数ペア:

[(1, 77867900), (2, 38933950), (4, 19466975), (5, 15573580), (10, 7786790), (11, 7078900), (20, 3893395), (22, 3539450), (25, 3114716), (29, 2685100), (44, 1769725), (50, 1557358), (55, 1415780), (58, 1342550), (100, 778679), (110, 707890), (116, 671275), (145, 537020), (220, 353945), (275, 283156), (290, 268510), (319, 244100), (550, 141578), (580, 134255), (638, 122050), (725, 107404), (1100, 70789), (1276, 61025), (1450, 53702), (1595, 48820), (2441, 31900), (2900, 26851), (3190, 24410), (4882, 15950), (6380, 12205), (7975, 9764)]