30824980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 67281984

約数和(自身を除く): 36457004

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 491, 730, 860, 982, 1460, 1964, 2455, 3139, 4910, 6278, 9820, 12556, 15695, 21113, 31390, 35843, 42226, 62780, 71686, 84452, 105565, 143372, 179215, 211130, 358430, 422260, 716860, 1541249, 3082498, 6164996, 7706245, 15412490, 30824980]

約数ペア:

[(1, 30824980), (2, 15412490), (4, 7706245), (5, 6164996), (10, 3082498), (20, 1541249), (43, 716860), (73, 422260), (86, 358430), (146, 211130), (172, 179215), (215, 143372), (292, 105565), (365, 84452), (430, 71686), (491, 62780), (730, 42226), (860, 35843), (982, 31390), (1460, 21113), (1964, 15695), (2455, 12556), (3139, 9820), (4910, 6278)]