74290760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 177120000

約数和(自身を除く): 102829240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 409, 478, 760, 818, 956, 1195, 1636, 1912, 2045, 2390, 3272, 4090, 4541, 4780, 7771, 8180, 9082, 9560, 15542, 16360, 18164, 22705, 31084, 36328, 38855, 45410, 62168, 77710, 90820, 97751, 155420, 181640, 195502, 310840, 391004, 488755, 782008, 977510, 1857269, 1955020, 3714538, 3910040, 7429076, 9286345, 14858152, 18572690, 37145380, 74290760]

約数ペア:

[(1, 74290760), (2, 37145380), (4, 18572690), (5, 14858152), (8, 9286345), (10, 7429076), (19, 3910040), (20, 3714538), (38, 1955020), (40, 1857269), (76, 977510), (95, 782008), (152, 488755), (190, 391004), (239, 310840), (380, 195502), (409, 181640), (478, 155420), (760, 97751), (818, 90820), (956, 77710), (1195, 62168), (1636, 45410), (1912, 38855), (2045, 36328), (2390, 31084), (3272, 22705), (4090, 18164), (4541, 16360), (4780, 15542), (7771, 9560), (8180, 9082)]