258745540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{5647}}^1$

素因数の和:5764

約数の個数: 48

約数和(自身を含む): 569318400

約数和(自身を除く): 310572860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 5647, 9164, 11294, 11455, 22588, 22910, 28235, 45820, 56470, 112940, 163763, 327526, 446113, 655052, 818815, 892226, 1637630, 1784452, 2230565, 3275260, 4461130, 8922260, 12937277, 25874554, 51749108, 64686385, 129372770, 258745540]

約数ペア:

[(1, 258745540), (2, 129372770), (4, 64686385), (5, 51749108), (10, 25874554), (20, 12937277), (29, 8922260), (58, 4461130), (79, 3275260), (116, 2230565), (145, 1784452), (158, 1637630), (290, 892226), (316, 818815), (395, 655052), (580, 446113), (790, 327526), (1580, 163763), (2291, 112940), (4582, 56470), (5647, 45820), (9164, 28235), (11294, 22910), (11455, 22588)]