30617740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 68191200

約数和(自身を除く): 37573460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 409, 788, 818, 985, 1636, 1970, 2045, 3743, 3940, 4090, 7486, 7771, 8180, 14972, 15542, 18715, 31084, 37430, 38855, 74860, 77710, 80573, 155420, 161146, 322292, 402865, 805730, 1530887, 1611460, 3061774, 6123548, 7654435, 15308870, 30617740]

約数ペア:

[(1, 30617740), (2, 15308870), (4, 7654435), (5, 6123548), (10, 3061774), (19, 1611460), (20, 1530887), (38, 805730), (76, 402865), (95, 322292), (190, 161146), (197, 155420), (380, 80573), (394, 77710), (409, 74860), (788, 38855), (818, 37430), (985, 31084), (1636, 18715), (1970, 15542), (2045, 14972), (3743, 8180), (3940, 7771), (4090, 7486)]