627824740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2969}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 1344697200

約数和(自身を除く): 716872460

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 970, 1090, 1940, 2180, 2969, 5938, 10573, 11876, 14845, 21146, 29690, 42292, 52865, 59380, 105730, 211460, 287993, 323621, 575986, 647242, 1151972, 1294484, 1439965, 1618105, 2879930, 3236210, 5759860, 6472420, 31391237, 62782474, 125564948, 156956185, 313912370, 627824740]

約数ペア:

[(1, 627824740), (2, 313912370), (4, 156956185), (5, 125564948), (10, 62782474), (20, 31391237), (97, 6472420), (109, 5759860), (194, 3236210), (218, 2879930), (388, 1618105), (436, 1439965), (485, 1294484), (545, 1151972), (970, 647242), (1090, 575986), (1940, 323621), (2180, 287993), (2969, 211460), (5938, 105730), (10573, 59380), (11876, 52865), (14845, 42292), (21146, 29690)]