78130460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 167311872

約数和(自身を除く): 89181412

約数列:

[1, 2, 4, 5, 10, 20, 113, 181, 191, 226, 362, 382, 452, 565, 724, 764, 905, 955, 1130, 1810, 1910, 2260, 3620, 3820, 20453, 21583, 34571, 40906, 43166, 69142, 81812, 86332, 102265, 107915, 138284, 172855, 204530, 215830, 345710, 409060, 431660, 691420, 3906523, 7813046, 15626092, 19532615, 39065230, 78130460]

約数ペア:

[(1, 78130460), (2, 39065230), (4, 19532615), (5, 15626092), (10, 7813046), (20, 3906523), (113, 691420), (181, 431660), (191, 409060), (226, 345710), (362, 215830), (382, 204530), (452, 172855), (565, 138284), (724, 107915), (764, 102265), (905, 86332), (955, 81812), (1130, 69142), (1810, 43166), (1910, 40906), (2260, 34571), (3620, 21583), (3820, 20453)]