90072970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 188606880

約数和(自身を除く): 98533910

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 265, 442, 530, 689, 769, 901, 1105, 1378, 1538, 1802, 2210, 3445, 3845, 4505, 6890, 7690, 9010, 9997, 11713, 13073, 19994, 23426, 26146, 40757, 49985, 58565, 65365, 81514, 99970, 117130, 130730, 169949, 203785, 339898, 407570, 529841, 692869, 849745, 1059682, 1385738, 1699490, 2649205, 3464345, 5298410, 6928690, 9007297, 18014594, 45036485, 90072970]

約数ペア:

[(1, 90072970), (2, 45036485), (5, 18014594), (10, 9007297), (13, 6928690), (17, 5298410), (26, 3464345), (34, 2649205), (53, 1699490), (65, 1385738), (85, 1059682), (106, 849745), (130, 692869), (170, 529841), (221, 407570), (265, 339898), (442, 203785), (530, 169949), (689, 130730), (769, 117130), (901, 99970), (1105, 81514), (1378, 65365), (1538, 58565), (1802, 49985), (2210, 40757), (3445, 26146), (3845, 23426), (4505, 19994), (6890, 13073), (7690, 11713), (9010, 9997)]