129201740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 277724160

約数和(自身を除く): 148522420

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 223, 236, 295, 446, 491, 590, 892, 982, 1115, 1180, 1964, 2230, 2455, 4460, 4910, 9820, 13157, 26314, 28969, 52628, 57938, 65785, 109493, 115876, 131570, 144845, 218986, 263140, 289690, 437972, 547465, 579380, 1094930, 2189860, 6460087, 12920174, 25840348, 32300435, 64600870, 129201740]

約数ペア:

[(1, 129201740), (2, 64600870), (4, 32300435), (5, 25840348), (10, 12920174), (20, 6460087), (59, 2189860), (118, 1094930), (223, 579380), (236, 547465), (295, 437972), (446, 289690), (491, 263140), (590, 218986), (892, 144845), (982, 131570), (1115, 115876), (1180, 109493), (1964, 65785), (2230, 57938), (2455, 52628), (4460, 28969), (4910, 26314), (9820, 13157)]