2891590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 5929200

約数和(自身を除く): 3037610

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 59, 65, 118, 130, 145, 169, 290, 295, 338, 377, 590, 754, 767, 845, 1534, 1690, 1711, 1885, 3422, 3770, 3835, 4901, 7670, 8555, 9802, 9971, 17110, 19942, 22243, 24505, 44486, 49010, 49855, 99710, 111215, 222430, 289159, 578318, 1445795, 2891590]

約数ペア:

[(1, 2891590), (2, 1445795), (5, 578318), (10, 289159), (13, 222430), (26, 111215), (29, 99710), (58, 49855), (59, 49010), (65, 44486), (118, 24505), (130, 22243), (145, 19942), (169, 17110), (290, 9971), (295, 9802), (338, 8555), (377, 7670), (590, 4901), (754, 3835), (767, 3770), (845, 3422), (1534, 1885), (1690, 1711)]