153088700

素因数分解:

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

素因数の和:639

約数の個数: 72

約数和(自身を含む): 352321200

約数和(自身を除く): 199232500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 197, 380, 394, 409, 475, 788, 818, 950, 985, 1636, 1900, 1970, 2045, 3743, 3940, 4090, 4925, 7486, 7771, 8180, 9850, 10225, 14972, 15542, 18715, 19700, 20450, 31084, 37430, 38855, 40900, 74860, 77710, 80573, 93575, 155420, 161146, 187150, 194275, 322292, 374300, 388550, 402865, 777100, 805730, 1530887, 1611460, 2014325, 3061774, 4028650, 6123548, 7654435, 8057300, 15308870, 30617740, 38272175, 76544350, 153088700]

約数ペア:

[(1, 153088700), (2, 76544350), (4, 38272175), (5, 30617740), (10, 15308870), (19, 8057300), (20, 7654435), (25, 6123548), (38, 4028650), (50, 3061774), (76, 2014325), (95, 1611460), (100, 1530887), (190, 805730), (197, 777100), (380, 402865), (394, 388550), (409, 374300), (475, 322292), (788, 194275), (818, 187150), (950, 161146), (985, 155420), (1636, 93575), (1900, 80573), (1970, 77710), (2045, 74860), (3743, 40900), (3940, 38855), (4090, 37430), (4925, 31084), (7486, 20450), (7771, 19700), (8180, 18715), (9850, 15542), (10225, 14972)]