15676438300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{20173}}^1$

素因数の和:20615

約数の個数: 72

約数和(自身を含む): 35897615600

約数和(自身を除く): 20221177300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 409, 475, 818, 950, 1636, 1900, 2045, 4090, 7771, 8180, 10225, 15542, 20173, 20450, 31084, 38855, 40346, 40900, 77710, 80692, 100865, 155420, 194275, 201730, 383287, 388550, 403460, 504325, 766574, 777100, 1008650, 1533148, 1916435, 2017300, 3832870, 7665740, 8250757, 9582175, 16501514, 19164350, 33003028, 38328700, 41253785, 82507570, 156764383, 165015140, 206268925, 313528766, 412537850, 627057532, 783821915, 825075700, 1567643830, 3135287660, 3919109575, 7838219150, 15676438300]

約数ペア:

[(1, 15676438300), (2, 7838219150), (4, 3919109575), (5, 3135287660), (10, 1567643830), (19, 825075700), (20, 783821915), (25, 627057532), (38, 412537850), (50, 313528766), (76, 206268925), (95, 165015140), (100, 156764383), (190, 82507570), (380, 41253785), (409, 38328700), (475, 33003028), (818, 19164350), (950, 16501514), (1636, 9582175), (1900, 8250757), (2045, 7665740), (4090, 3832870), (7771, 2017300), (8180, 1916435), (10225, 1533148), (15542, 1008650), (20173, 777100), (20450, 766574), (31084, 504325), (38855, 403460), (40346, 388550), (40900, 383287), (77710, 201730), (80692, 194275), (100865, 155420)]