7654660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 17640000

約数和(自身を除く): 9985340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 499, 590, 767, 998, 1180, 1534, 1996, 2495, 3068, 3835, 4990, 6487, 7670, 9980, 12974, 15340, 25948, 29441, 32435, 58882, 64870, 117764, 129740, 147205, 294410, 382733, 588820, 765466, 1530932, 1913665, 3827330, 7654660]

約数ペア:

[(1, 7654660), (2, 3827330), (4, 1913665), (5, 1530932), (10, 765466), (13, 588820), (20, 382733), (26, 294410), (52, 147205), (59, 129740), (65, 117764), (118, 64870), (130, 58882), (236, 32435), (260, 29441), (295, 25948), (499, 15340), (590, 12974), (767, 9980), (998, 7670), (1180, 6487), (1534, 4990), (1996, 3835), (2495, 3068)]