168303980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4657}}^1$

素因数の和:4818

約数の個数: 48

約数和(自身を含む): 383446560

約数和(自身を除く): 215142580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 4657, 7228, 9035, 9314, 18070, 18628, 23285, 36140, 46570, 60541, 93140, 121082, 242164, 302705, 605410, 647323, 1210820, 1294646, 2589292, 3236615, 6473230, 8415199, 12946460, 16830398, 33660796, 42075995, 84151990, 168303980]

約数ペア:

[(1, 168303980), (2, 84151990), (4, 42075995), (5, 33660796), (10, 16830398), (13, 12946460), (20, 8415199), (26, 6473230), (52, 3236615), (65, 2589292), (130, 1294646), (139, 1210820), (260, 647323), (278, 605410), (556, 302705), (695, 242164), (1390, 121082), (1807, 93140), (2780, 60541), (3614, 46570), (4657, 36140), (7228, 23285), (9035, 18628), (9314, 18070)]