17748140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20959060

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 239, 316, 395, 470, 478, 790, 940, 956, 1195, 1580, 2390, 3713, 4780, 7426, 11233, 14852, 18565, 18881, 22466, 37130, 37762, 44932, 56165, 74260, 75524, 94405, 112330, 188810, 224660, 377620, 887407, 1774814, 3549628, 4437035, 8874070, 17748140]

約数ペア:

[(1, 17748140), (2, 8874070), (4, 4437035), (5, 3549628), (10, 1774814), (20, 887407), (47, 377620), (79, 224660), (94, 188810), (158, 112330), (188, 94405), (235, 75524), (239, 74260), (316, 56165), (395, 44932), (470, 37762), (478, 37130), (790, 22466), (940, 18881), (956, 18565), (1195, 14852), (1580, 11233), (2390, 7426), (3713, 4780)]