651114940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{664403}}^1$

素因数の和:664426

約数の個数: 36

約数和(自身を含む): 1590583176

約数和(自身を除く): 939468236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 664403, 1328806, 2657612, 3322015, 4650821, 6644030, 9301642, 13288060, 18603284, 23254105, 32555747, 46508210, 65111494, 93016420, 130222988, 162778735, 325557470, 651114940]

約数ペア:

[(1, 651114940), (2, 325557470), (4, 162778735), (5, 130222988), (7, 93016420), (10, 65111494), (14, 46508210), (20, 32555747), (28, 23254105), (35, 18603284), (49, 13288060), (70, 9301642), (98, 6644030), (140, 4650821), (196, 3322015), (245, 2657612), (490, 1328806), (980, 664403)]