850905980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{3457}}^1$

素因数の和:3894

約数の個数: 48

約数和(自身を含む): 1849725696

約数和(自身を除く): 998819716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 397, 620, 794, 1588, 1985, 3457, 3970, 6914, 7940, 12307, 13828, 17285, 24614, 34570, 49228, 61535, 69140, 107167, 123070, 214334, 246140, 428668, 535835, 1071670, 1372429, 2143340, 2744858, 5489716, 6862145, 13724290, 27448580, 42545299, 85090598, 170181196, 212726495, 425452990, 850905980]

約数ペア:

[(1, 850905980), (2, 425452990), (4, 212726495), (5, 170181196), (10, 85090598), (20, 42545299), (31, 27448580), (62, 13724290), (124, 6862145), (155, 5489716), (310, 2744858), (397, 2143340), (620, 1372429), (794, 1071670), (1588, 535835), (1985, 428668), (3457, 246140), (3970, 214334), (6914, 123070), (7940, 107167), (12307, 69140), (13828, 61535), (17285, 49228), (24614, 34570)]