2149393430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{275917}}^1$

素因数の和:275984

約数の個数: 32

約数和(自身を含む): 4171880160

約数和(自身を除く): 2022486730

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 275917, 551834, 1379585, 2759170, 5242423, 10484846, 11312597, 22625194, 26212115, 52424230, 56562985, 113125970, 214939343, 429878686, 1074696715, 2149393430]

約数ペア:

[(1, 2149393430), (2, 1074696715), (5, 429878686), (10, 214939343), (19, 113125970), (38, 56562985), (41, 52424230), (82, 26212115), (95, 22625194), (190, 11312597), (205, 10484846), (410, 5242423), (779, 2759170), (1558, 1379585), (3895, 551834), (7790, 275917)]