2008904420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{3023}}^1$

素因数の和:3404

約数の個数: 48

約数和(自身を含む): 4267468800

約数和(自身を除く): 2258564380

約数列:

[1, 2, 4, 5, 10, 20, 149, 223, 298, 446, 596, 745, 892, 1115, 1490, 2230, 2980, 3023, 4460, 6046, 12092, 15115, 30230, 33227, 60460, 66454, 132908, 166135, 332270, 450427, 664540, 674129, 900854, 1348258, 1801708, 2252135, 2696516, 3370645, 4504270, 6741290, 9008540, 13482580, 100445221, 200890442, 401780884, 502226105, 1004452210, 2008904420]

約数ペア:

[(1, 2008904420), (2, 1004452210), (4, 502226105), (5, 401780884), (10, 200890442), (20, 100445221), (149, 13482580), (223, 9008540), (298, 6741290), (446, 4504270), (596, 3370645), (745, 2696516), (892, 2252135), (1115, 1801708), (1490, 1348258), (2230, 900854), (2980, 674129), (3023, 664540), (4460, 450427), (6046, 332270), (12092, 166135), (15115, 132908), (30230, 66454), (33227, 60460)]