291248980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{12853}}^1$

素因数の和:12976

約数の個数: 48

約数和(自身を含む): 673755264

約数和(自身を除く): 382506284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 11330, 12853, 22660, 25706, 51412, 64265, 128530, 141383, 257060, 282766, 565532, 706915, 1323859, 1413830, 2647718, 2827660, 5295436, 6619295, 13238590, 14562449, 26477180, 29124898, 58249796, 72812245, 145624490, 291248980]

約数ペア:

[(1, 291248980), (2, 145624490), (4, 72812245), (5, 58249796), (10, 29124898), (11, 26477180), (20, 14562449), (22, 13238590), (44, 6619295), (55, 5295436), (103, 2827660), (110, 2647718), (206, 1413830), (220, 1323859), (412, 706915), (515, 565532), (1030, 282766), (1133, 257060), (2060, 141383), (2266, 128530), (4532, 64265), (5665, 51412), (11330, 25706), (12853, 22660)]