4490980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 10612224

約数和(自身を除く): 6121244

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 751, 1196, 1495, 1502, 2990, 3004, 3755, 5980, 7510, 9763, 15020, 17273, 19526, 34546, 39052, 48815, 69092, 86365, 97630, 172730, 195260, 224549, 345460, 449098, 898196, 1122745, 2245490, 4490980]

約数ペア:

[(1, 4490980), (2, 2245490), (4, 1122745), (5, 898196), (10, 449098), (13, 345460), (20, 224549), (23, 195260), (26, 172730), (46, 97630), (52, 86365), (65, 69092), (92, 48815), (115, 39052), (130, 34546), (230, 19526), (260, 17273), (299, 15020), (460, 9763), (598, 7510), (751, 5980), (1196, 3755), (1495, 3004), (1502, 2990)]