9621640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4909}}^1$

素因数の和:4934

約数の個数: 48

約数和(自身を含む): 25188300

約数和(自身を除く): 15566660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4909, 9818, 19636, 24545, 34363, 39272, 49090, 68726, 98180, 137452, 171815, 196360, 240541, 274904, 343630, 481082, 687260, 962164, 1202705, 1374520, 1924328, 2405410, 4810820, 9621640]

約数ペア:

[(1, 9621640), (2, 4810820), (4, 2405410), (5, 1924328), (7, 1374520), (8, 1202705), (10, 962164), (14, 687260), (20, 481082), (28, 343630), (35, 274904), (40, 240541), (49, 196360), (56, 171815), (70, 137452), (98, 98180), (140, 68726), (196, 49090), (245, 39272), (280, 34363), (392, 24545), (490, 19636), (980, 9818), (1960, 4909)]