201012920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 471420000

約数和(自身を除く): 270407080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 580, 596, 745, 1160, 1163, 1192, 1490, 2326, 2980, 4321, 4652, 5815, 5960, 8642, 9304, 11630, 17284, 21605, 23260, 33727, 34568, 43210, 46520, 67454, 86420, 134908, 168635, 172840, 173287, 269816, 337270, 346574, 674540, 693148, 866435, 1349080, 1386296, 1732870, 3465740, 5025323, 6931480, 10050646, 20101292, 25126615, 40202584, 50253230, 100506460, 201012920]

約数ペア:

[(1, 201012920), (2, 100506460), (4, 50253230), (5, 40202584), (8, 25126615), (10, 20101292), (20, 10050646), (29, 6931480), (40, 5025323), (58, 3465740), (116, 1732870), (145, 1386296), (149, 1349080), (232, 866435), (290, 693148), (298, 674540), (580, 346574), (596, 337270), (745, 269816), (1160, 173287), (1163, 172840), (1192, 168635), (1490, 134908), (2326, 86420), (2980, 67454), (4321, 46520), (4652, 43210), (5815, 34568), (5960, 33727), (8642, 23260), (9304, 21605), (11630, 17284)]