318424540

素因数分解:

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

素因数の和:4547

約数の個数: 72

約数和(自身を含む): 788698512

約数和(自身を除く): 470273972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3577, 4451, 5110, 7154, 8902, 10220, 14308, 17804, 17885, 22255, 31157, 35770, 44510, 62314, 71540, 89020, 124628, 155785, 218099, 311570, 324923, 436198, 623140, 649846, 872396, 1090495, 1299692, 1624615, 2180990, 2274461, 3249230, 4361980, 4548922, 6498460, 9097844, 11372305, 15921227, 22744610, 31842454, 45489220, 63684908, 79606135, 159212270, 318424540]

約数ペア:

[(1, 318424540), (2, 159212270), (4, 79606135), (5, 63684908), (7, 45489220), (10, 31842454), (14, 22744610), (20, 15921227), (28, 11372305), (35, 9097844), (49, 6498460), (70, 4548922), (73, 4361980), (98, 3249230), (140, 2274461), (146, 2180990), (196, 1624615), (245, 1299692), (292, 1090495), (365, 872396), (490, 649846), (511, 623140), (730, 436198), (980, 324923), (1022, 311570), (1460, 218099), (2044, 155785), (2555, 124628), (3577, 89020), (4451, 71540), (5110, 62314), (7154, 44510), (8902, 35770), (10220, 31157), (14308, 22255), (17804, 17885)]