4990540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 11531520

約数和(自身を除く): 6540980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 571, 874, 1142, 1748, 2185, 2284, 2855, 4370, 5710, 8740, 10849, 11420, 13133, 21698, 26266, 43396, 52532, 54245, 65665, 108490, 131330, 216980, 249527, 262660, 499054, 998108, 1247635, 2495270, 4990540]

約数ペア:

[(1, 4990540), (2, 2495270), (4, 1247635), (5, 998108), (10, 499054), (19, 262660), (20, 249527), (23, 216980), (38, 131330), (46, 108490), (76, 65665), (92, 54245), (95, 52532), (115, 43396), (190, 26266), (230, 21698), (380, 13133), (437, 11420), (460, 10849), (571, 8740), (874, 5710), (1142, 4370), (1748, 2855), (2185, 2284)]