71518700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 171655680

約数和(自身を除く): 100136980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 823, 869, 1100, 1580, 1646, 1738, 1975, 3292, 3476, 3950, 4115, 4345, 7900, 8230, 8690, 9053, 16460, 17380, 18106, 20575, 21725, 36212, 41150, 43450, 45265, 65017, 82300, 86900, 90530, 130034, 181060, 226325, 260068, 325085, 452650, 650170, 715187, 905300, 1300340, 1430374, 1625425, 2860748, 3250850, 3575935, 6501700, 7151870, 14303740, 17879675, 35759350, 71518700]

約数ペア:

[(1, 71518700), (2, 35759350), (4, 17879675), (5, 14303740), (10, 7151870), (11, 6501700), (20, 3575935), (22, 3250850), (25, 2860748), (44, 1625425), (50, 1430374), (55, 1300340), (79, 905300), (100, 715187), (110, 650170), (158, 452650), (220, 325085), (275, 260068), (316, 226325), (395, 181060), (550, 130034), (790, 90530), (823, 86900), (869, 82300), (1100, 65017), (1580, 45265), (1646, 43450), (1738, 41150), (1975, 36212), (3292, 21725), (3476, 20575), (3950, 18106), (4115, 17380), (4345, 16460), (7900, 9053), (8230, 8690)]