90739220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31727}}^1$

素因数の和:31760

約数の個数: 48

約数和(自身を含む): 223872768

約数和(自身を除く): 133133548

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 31727, 63454, 126908, 158635, 317270, 348997, 412451, 634540, 697994, 824902, 1395988, 1649804, 1744985, 2062255, 3489970, 4124510, 4536961, 6979940, 8249020, 9073922, 18147844, 22684805, 45369610, 90739220]

約数ペア:

[(1, 90739220), (2, 45369610), (4, 22684805), (5, 18147844), (10, 9073922), (11, 8249020), (13, 6979940), (20, 4536961), (22, 4124510), (26, 3489970), (44, 2062255), (52, 1744985), (55, 1649804), (65, 1395988), (110, 824902), (130, 697994), (143, 634540), (220, 412451), (260, 348997), (286, 317270), (572, 158635), (715, 126908), (1430, 63454), (2860, 31727)]