79475980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 171291456

約数和(自身を除く): 91815476

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 577, 710, 970, 1154, 1420, 1940, 2308, 2885, 5770, 6887, 11540, 13774, 27548, 34435, 40967, 55969, 68870, 81934, 111938, 137740, 163868, 204835, 223876, 279845, 409670, 559690, 819340, 1119380, 3973799, 7947598, 15895196, 19868995, 39737990, 79475980]

約数ペア:

[(1, 79475980), (2, 39737990), (4, 19868995), (5, 15895196), (10, 7947598), (20, 3973799), (71, 1119380), (97, 819340), (142, 559690), (194, 409670), (284, 279845), (355, 223876), (388, 204835), (485, 163868), (577, 137740), (710, 111938), (970, 81934), (1154, 68870), (1420, 55969), (1940, 40967), (2308, 34435), (2885, 27548), (5770, 13774), (6887, 11540)]