2000147690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 3844260000

約数和(自身を除く): 1844112310

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 149, 205, 290, 298, 410, 745, 1129, 1189, 1490, 2258, 2378, 4321, 5645, 5945, 6109, 8642, 11290, 11890, 12218, 21605, 30545, 32741, 43210, 46289, 61090, 65482, 92578, 163705, 168221, 177161, 231445, 327410, 336442, 354322, 462890, 841105, 885805, 1342381, 1682210, 1771610, 2684762, 4878409, 6711905, 6897061, 9756818, 13423810, 13794122, 24392045, 34485305, 48784090, 68970610, 200014769, 400029538, 1000073845, 2000147690]

約数ペア:

[(1, 2000147690), (2, 1000073845), (5, 400029538), (10, 200014769), (29, 68970610), (41, 48784090), (58, 34485305), (82, 24392045), (145, 13794122), (149, 13423810), (205, 9756818), (290, 6897061), (298, 6711905), (410, 4878409), (745, 2684762), (1129, 1771610), (1189, 1682210), (1490, 1342381), (2258, 885805), (2378, 841105), (4321, 462890), (5645, 354322), (5945, 336442), (6109, 327410), (8642, 231445), (11290, 177161), (11890, 168221), (12218, 163705), (21605, 92578), (30545, 65482), (32741, 61090), (43210, 46289)]