201423140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7499}}^1$

素因数の和:7604

約数の個数: 48

約数和(自身を含む): 453600000

約数和(自身を除く): 252176860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 7499, 13430, 14998, 26860, 29996, 37495, 74990, 127483, 149980, 254966, 509932, 592421, 637415, 1184842, 1274830, 2369684, 2549660, 2962105, 5924210, 10071157, 11848420, 20142314, 40284628, 50355785, 100711570, 201423140]

約数ペア:

[(1, 201423140), (2, 100711570), (4, 50355785), (5, 40284628), (10, 20142314), (17, 11848420), (20, 10071157), (34, 5924210), (68, 2962105), (79, 2549660), (85, 2369684), (158, 1274830), (170, 1184842), (316, 637415), (340, 592421), (395, 509932), (790, 254966), (1343, 149980), (1580, 127483), (2686, 74990), (5372, 37495), (6715, 29996), (7499, 26860), (13430, 14998)]