217804977940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6053}}^1\times {\mathrm{14869}}^1$

素因数の和:20953

約数の個数: 72

約数和(自身を含む): 502868366280

約数和(自身を除く): 285063388340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6053, 12106, 14869, 24212, 29738, 30265, 59476, 60530, 66583, 74345, 121060, 133166, 148690, 163559, 266332, 297380, 327118, 332915, 654236, 665830, 732413, 817795, 1331660, 1464826, 1635590, 1799149, 2929652, 3271180, 3598298, 3662065, 7196596, 7324130, 8995745, 14648260, 17991490, 35982980, 90002057, 180004114, 360008228, 450010285, 900020570, 990022627, 1800041140, 1980045254, 3960090508, 4950113135, 9900226270, 10890248897, 19800452540, 21780497794, 43560995588, 54451244485, 108902488970, 217804977940]

約数ペア:

[(1, 217804977940), (2, 108902488970), (4, 54451244485), (5, 43560995588), (10, 21780497794), (11, 19800452540), (20, 10890248897), (22, 9900226270), (44, 4950113135), (55, 3960090508), (110, 1980045254), (121, 1800041140), (220, 990022627), (242, 900020570), (484, 450010285), (605, 360008228), (1210, 180004114), (2420, 90002057), (6053, 35982980), (12106, 17991490), (14869, 14648260), (24212, 8995745), (29738, 7324130), (30265, 7196596), (59476, 3662065), (60530, 3598298), (66583, 3271180), (74345, 2929652), (121060, 1799149), (133166, 1635590), (148690, 1464826), (163559, 1331660), (266332, 817795), (297380, 732413), (327118, 665830), (332915, 654236)]