121219580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2999}}^1$

素因数の和:3098

約数の個数: 48

約数和(自身を含む): 266112000

約数和(自身を除く): 144892420

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 2999, 4042, 5998, 8084, 10105, 11996, 14995, 20210, 29990, 40420, 59980, 128957, 140953, 257914, 281906, 515828, 563812, 644785, 704765, 1289570, 1409530, 2579140, 2819060, 6060979, 12121958, 24243916, 30304895, 60609790, 121219580]

約数ペア:

[(1, 121219580), (2, 60609790), (4, 30304895), (5, 24243916), (10, 12121958), (20, 6060979), (43, 2819060), (47, 2579140), (86, 1409530), (94, 1289570), (172, 704765), (188, 644785), (215, 563812), (235, 515828), (430, 281906), (470, 257914), (860, 140953), (940, 128957), (2021, 59980), (2999, 40420), (4042, 29990), (5998, 20210), (8084, 14995), (10105, 11996)]