285774860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1789}}^1$

素因数の和:1975

約数の個数: 72

約数和(自身を含む): 702782640

約数和(自身を除く): 417007780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 490, 652, 815, 980, 1141, 1630, 1789, 2282, 3260, 3578, 4564, 5705, 7156, 7987, 8945, 11410, 12523, 15974, 17890, 22820, 25046, 31948, 35780, 39935, 50092, 62615, 79870, 87661, 125230, 159740, 175322, 250460, 291607, 350644, 438305, 583214, 876610, 1166428, 1458035, 1753220, 2041249, 2916070, 4082498, 5832140, 8164996, 10206245, 14288743, 20412490, 28577486, 40824980, 57154972, 71443715, 142887430, 285774860]

約数ペア:

[(1, 285774860), (2, 142887430), (4, 71443715), (5, 57154972), (7, 40824980), (10, 28577486), (14, 20412490), (20, 14288743), (28, 10206245), (35, 8164996), (49, 5832140), (70, 4082498), (98, 2916070), (140, 2041249), (163, 1753220), (196, 1458035), (245, 1166428), (326, 876610), (490, 583214), (652, 438305), (815, 350644), (980, 291607), (1141, 250460), (1630, 175322), (1789, 159740), (2282, 125230), (3260, 87661), (3578, 79870), (4564, 62615), (5705, 50092), (7156, 39935), (7987, 35780), (8945, 31948), (11410, 25046), (12523, 22820), (15974, 17890)]