1799620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4112640

約数和(自身を除く): 2313020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 79, 85, 134, 158, 170, 268, 316, 335, 340, 395, 670, 790, 1139, 1340, 1343, 1580, 2278, 2686, 4556, 5293, 5372, 5695, 6715, 10586, 11390, 13430, 21172, 22780, 26465, 26860, 52930, 89981, 105860, 179962, 359924, 449905, 899810, 1799620]

約数ペア:

[(1, 1799620), (2, 899810), (4, 449905), (5, 359924), (10, 179962), (17, 105860), (20, 89981), (34, 52930), (67, 26860), (68, 26465), (79, 22780), (85, 21172), (134, 13430), (158, 11390), (170, 10586), (268, 6715), (316, 5695), (335, 5372), (340, 5293), (395, 4556), (670, 2686), (790, 2278), (1139, 1580), (1340, 1343)]