213085910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 410572800

約数和(自身を除く): 197486890

約数列:

[1, 2, 5, 10, 29, 58, 71, 79, 131, 142, 145, 158, 262, 290, 355, 395, 655, 710, 790, 1310, 2059, 2291, 3799, 4118, 4582, 5609, 7598, 9301, 10295, 10349, 11218, 11455, 18602, 18995, 20590, 20698, 22910, 28045, 37990, 46505, 51745, 56090, 93010, 103490, 162661, 269729, 300121, 325322, 539458, 600242, 734779, 813305, 1348645, 1469558, 1500605, 1626610, 2697290, 3001210, 3673895, 7347790, 21308591, 42617182, 106542955, 213085910]

約数ペア:

[(1, 213085910), (2, 106542955), (5, 42617182), (10, 21308591), (29, 7347790), (58, 3673895), (71, 3001210), (79, 2697290), (131, 1626610), (142, 1500605), (145, 1469558), (158, 1348645), (262, 813305), (290, 734779), (355, 600242), (395, 539458), (655, 325322), (710, 300121), (790, 269729), (1310, 162661), (2059, 103490), (2291, 93010), (3799, 56090), (4118, 51745), (4582, 46505), (5609, 37990), (7598, 28045), (9301, 22910), (10295, 20698), (10349, 20590), (11218, 18995), (11455, 18602)]