210004901180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{859}}^1\times {\mathrm{8929}}^1$

素因数の和:9871

約数の個数: 72

約数和(自身を含む): 453830101200

約数和(自身を除く): 243825200020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 859, 1369, 1718, 2738, 3436, 4295, 5476, 6845, 8590, 8929, 13690, 17180, 17858, 27380, 31783, 35716, 44645, 63566, 89290, 127132, 158915, 178580, 317830, 330373, 635660, 660746, 1175971, 1321492, 1651865, 2351942, 3303730, 4703884, 5879855, 6607460, 7670011, 11759710, 12223801, 15340022, 23519420, 24447602, 30680044, 38350055, 48895204, 61119005, 76700110, 122238010, 153400220, 244476020, 283790407, 567580814, 1135161628, 1418952035, 2837904070, 5675808140, 10500245059, 21000490118, 42000980236, 52501225295, 105002450590, 210004901180]

約数ペア:

[(1, 210004901180), (2, 105002450590), (4, 52501225295), (5, 42000980236), (10, 21000490118), (20, 10500245059), (37, 5675808140), (74, 2837904070), (148, 1418952035), (185, 1135161628), (370, 567580814), (740, 283790407), (859, 244476020), (1369, 153400220), (1718, 122238010), (2738, 76700110), (3436, 61119005), (4295, 48895204), (5476, 38350055), (6845, 30680044), (8590, 24447602), (8929, 23519420), (13690, 15340022), (17180, 12223801), (17858, 11759710), (27380, 7670011), (31783, 6607460), (35716, 5879855), (44645, 4703884), (63566, 3303730), (89290, 2351942), (127132, 1651865), (158915, 1321492), (178580, 1175971), (317830, 660746), (330373, 635660)]