289725020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{48449}}^1$

素因数の和:48494

約数の個数: 48

約数和(自身を含む): 683726400

約数和(自身を除く): 394001380

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 48449, 96898, 193796, 242245, 484490, 629837, 968980, 1114327, 1259674, 2228654, 2519348, 3149185, 4457308, 5571635, 6298370, 11143270, 12596740, 14486251, 22286540, 28972502, 57945004, 72431255, 144862510, 289725020]

約数ペア:

[(1, 289725020), (2, 144862510), (4, 72431255), (5, 57945004), (10, 28972502), (13, 22286540), (20, 14486251), (23, 12596740), (26, 11143270), (46, 6298370), (52, 5571635), (65, 4457308), (92, 3149185), (115, 2519348), (130, 2228654), (230, 1259674), (260, 1114327), (299, 968980), (460, 629837), (598, 484490), (1196, 242245), (1495, 193796), (2990, 96898), (5980, 48449)]