7531940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 17357760

約数和(自身を除く): 9825820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 491, 590, 767, 982, 1180, 1534, 1964, 2455, 3068, 3835, 4910, 6383, 7670, 9820, 12766, 15340, 25532, 28969, 31915, 57938, 63830, 115876, 127660, 144845, 289690, 376597, 579380, 753194, 1506388, 1882985, 3765970, 7531940]

約数ペア:

[(1, 7531940), (2, 3765970), (4, 1882985), (5, 1506388), (10, 753194), (13, 579380), (20, 376597), (26, 289690), (52, 144845), (59, 127660), (65, 115876), (118, 63830), (130, 57938), (236, 31915), (260, 28969), (295, 25532), (491, 15340), (590, 12766), (767, 9820), (982, 7670), (1180, 6383), (1534, 4910), (1964, 3835), (2455, 3068)]