90978440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4451}}^1$

素因数の和:4542

約数の個数: 64

約数和(自身を含む): 237202560

約数和(自身を除く): 146224120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 4451, 5110, 8902, 10220, 17804, 20440, 22255, 31157, 35608, 44510, 62314, 89020, 124628, 155785, 178040, 249256, 311570, 324923, 623140, 649846, 1246280, 1299692, 1624615, 2274461, 2599384, 3249230, 4548922, 6498460, 9097844, 11372305, 12996920, 18195688, 22744610, 45489220, 90978440]

約数ペア:

[(1, 90978440), (2, 45489220), (4, 22744610), (5, 18195688), (7, 12996920), (8, 11372305), (10, 9097844), (14, 6498460), (20, 4548922), (28, 3249230), (35, 2599384), (40, 2274461), (56, 1624615), (70, 1299692), (73, 1246280), (140, 649846), (146, 623140), (280, 324923), (292, 311570), (365, 249256), (511, 178040), (584, 155785), (730, 124628), (1022, 89020), (1460, 62314), (2044, 44510), (2555, 35608), (2920, 31157), (4088, 22255), (4451, 20440), (5110, 17804), (8902, 10220)]