219154260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280967}}^1$

素因数の和:280992

約数の個数: 48

約数和(自身を含む): 660836736

約数和(自身を除く): 441682476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 280967, 561934, 842901, 1123868, 1404835, 1685802, 2809670, 3371604, 3652571, 4214505, 5619340, 7305142, 8429010, 10957713, 14610284, 16858020, 18262855, 21915426, 36525710, 43830852, 54788565, 73051420, 109577130, 219154260]

約数ペア:

[(1, 219154260), (2, 109577130), (3, 73051420), (4, 54788565), (5, 43830852), (6, 36525710), (10, 21915426), (12, 18262855), (13, 16858020), (15, 14610284), (20, 10957713), (26, 8429010), (30, 7305142), (39, 5619340), (52, 4214505), (60, 3652571), (65, 3371604), (78, 2809670), (130, 1685802), (156, 1404835), (195, 1123868), (260, 842901), (390, 561934), (780, 280967)]