213575320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{108967}}^1$

素因数の和:108992

約数の個数: 48

約数和(自身を含む): 559005840

約数和(自身を除く): 345430520

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, 108967, 217934, 435868, 544835, 762769, 871736, 1089670, 1525538, 2179340, 3051076, 3813845, 4358680, 5339383, 6102152, 7627690, 10678766, 15255380, 21357532, 26696915, 30510760, 42715064, 53393830, 106787660, 213575320]

約数ペア:

[(1, 213575320), (2, 106787660), (4, 53393830), (5, 42715064), (7, 30510760), (8, 26696915), (10, 21357532), (14, 15255380), (20, 10678766), (28, 7627690), (35, 6102152), (40, 5339383), (49, 4358680), (56, 3813845), (70, 3051076), (98, 2179340), (140, 1525538), (196, 1089670), (245, 871736), (280, 762769), (392, 544835), (490, 435868), (980, 217934), (1960, 108967)]