1119820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 2610720

約数和(自身を除く): 1490900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 73, 118, 130, 146, 236, 260, 292, 295, 365, 590, 730, 767, 949, 1180, 1460, 1534, 1898, 3068, 3796, 3835, 4307, 4745, 7670, 8614, 9490, 15340, 17228, 18980, 21535, 43070, 55991, 86140, 111982, 223964, 279955, 559910, 1119820]

約数ペア:

[(1, 1119820), (2, 559910), (4, 279955), (5, 223964), (10, 111982), (13, 86140), (20, 55991), (26, 43070), (52, 21535), (59, 18980), (65, 17228), (73, 15340), (118, 9490), (130, 8614), (146, 7670), (236, 4745), (260, 4307), (292, 3835), (295, 3796), (365, 3068), (590, 1898), (730, 1534), (767, 1460), (949, 1180)]