1330503740

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 2816856000

約数和(自身を除く): 1486352260

約数列:

[1, 2, 4, 5, 10, 20, 229, 449, 458, 647, 898, 916, 1145, 1294, 1796, 2245, 2290, 2588, 3235, 4490, 4580, 6470, 8980, 12940, 102821, 148163, 205642, 290503, 296326, 411284, 514105, 581006, 592652, 740815, 1028210, 1162012, 1452515, 1481630, 2056420, 2905030, 2963260, 5810060, 66525187, 133050374, 266100748, 332625935, 665251870, 1330503740]

約数ペア:

[(1, 1330503740), (2, 665251870), (4, 332625935), (5, 266100748), (10, 133050374), (20, 66525187), (229, 5810060), (449, 2963260), (458, 2905030), (647, 2056420), (898, 1481630), (916, 1452515), (1145, 1162012), (1294, 1028210), (1796, 740815), (2245, 592652), (2290, 581006), (2588, 514105), (3235, 411284), (4490, 296326), (4580, 290503), (6470, 205642), (8980, 148163), (12940, 102821)]