724491620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{3347}}^1$

素因数の和:3572

約数の個数: 48

約数和(自身を含む): 1552400640

約数和(自身を除く): 827909020

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 685, 790, 1370, 1580, 2740, 3347, 6694, 10823, 13388, 16735, 21646, 33470, 43292, 54115, 66940, 108230, 216460, 264413, 458539, 528826, 917078, 1057652, 1322065, 1834156, 2292695, 2644130, 4585390, 5288260, 9170780, 36224581, 72449162, 144898324, 181122905, 362245810, 724491620]

約数ペア:

[(1, 724491620), (2, 362245810), (4, 181122905), (5, 144898324), (10, 72449162), (20, 36224581), (79, 9170780), (137, 5288260), (158, 4585390), (274, 2644130), (316, 2292695), (395, 1834156), (548, 1322065), (685, 1057652), (790, 917078), (1370, 528826), (1580, 458539), (2740, 264413), (3347, 216460), (6694, 108230), (10823, 66940), (13388, 54115), (16735, 43292), (21646, 33470)]