179397940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{6679}}^1$

素因数の和:6784

約数の個数: 48

約数和(自身を含む): 404006400

約数和(自身を除く): 224608460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6679, 6715, 13358, 13430, 26716, 26860, 33395, 66790, 113543, 133580, 227086, 454172, 527641, 567715, 1055282, 1135430, 2110564, 2270860, 2638205, 5276410, 8969897, 10552820, 17939794, 35879588, 44849485, 89698970, 179397940]

約数ペア:

[(1, 179397940), (2, 89698970), (4, 44849485), (5, 35879588), (10, 17939794), (17, 10552820), (20, 8969897), (34, 5276410), (68, 2638205), (79, 2270860), (85, 2110564), (158, 1135430), (170, 1055282), (316, 567715), (340, 527641), (395, 454172), (790, 227086), (1343, 133580), (1580, 113543), (2686, 66790), (5372, 33395), (6679, 26860), (6715, 26716), (13358, 13430)]