72617380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4649}}^1$

素因数の和:4740

約数の個数: 48

約数和(自身を含む): 168739200

約数和(自身を除く): 96121820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4649, 7810, 9298, 15620, 18596, 23245, 46490, 51139, 92980, 102278, 204556, 255695, 330079, 511390, 660158, 1022780, 1320316, 1650395, 3300790, 3630869, 6601580, 7261738, 14523476, 18154345, 36308690, 72617380]

約数ペア:

[(1, 72617380), (2, 36308690), (4, 18154345), (5, 14523476), (10, 7261738), (11, 6601580), (20, 3630869), (22, 3300790), (44, 1650395), (55, 1320316), (71, 1022780), (110, 660158), (142, 511390), (220, 330079), (284, 255695), (355, 204556), (710, 102278), (781, 92980), (1420, 51139), (1562, 46490), (3124, 23245), (3905, 18596), (4649, 15620), (7810, 9298)]