315051220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{3989}}^1$

素因数の和:4368

約数の個数: 48

約数和(自身を含む): 723945600

約数和(自身を除く): 408894380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 1436, 1795, 3590, 3949, 3989, 7180, 7898, 7978, 15796, 15956, 19745, 19945, 39490, 39890, 43879, 78980, 79780, 87758, 175516, 219395, 438790, 877580, 1432051, 2864102, 5728204, 7160255, 14320510, 15752561, 28641020, 31505122, 63010244, 78762805, 157525610, 315051220]

約数ペア:

[(1, 315051220), (2, 157525610), (4, 78762805), (5, 63010244), (10, 31505122), (11, 28641020), (20, 15752561), (22, 14320510), (44, 7160255), (55, 5728204), (110, 2864102), (220, 1432051), (359, 877580), (718, 438790), (1436, 219395), (1795, 175516), (3590, 87758), (3949, 79780), (3989, 78980), (7180, 43879), (7898, 39890), (7978, 39490), (15796, 19945), (15956, 19745)]