2012945825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 2835086400

約数和(自身を除く): 822140575

約数列:

[1, 5, 11, 25, 29, 55, 145, 173, 275, 319, 725, 865, 1459, 1595, 1903, 4325, 5017, 7295, 7975, 9515, 16049, 25085, 36475, 42311, 47575, 55187, 80245, 125425, 211555, 252407, 275935, 401225, 465421, 1057775, 1262035, 1379675, 2327105, 2776477, 6310175, 7319803, 11635525, 13882385, 36599015, 69411925, 80517833, 182995075, 402589165, 2012945825]

約数ペア:

[(1, 2012945825), (5, 402589165), (11, 182995075), (25, 80517833), (29, 69411925), (55, 36599015), (145, 13882385), (173, 11635525), (275, 7319803), (319, 6310175), (725, 2776477), (865, 2327105), (1459, 1379675), (1595, 1262035), (1903, 1057775), (4325, 465421), (5017, 401225), (7295, 275935), (7975, 252407), (9515, 211555), (16049, 125425), (25085, 80245), (36475, 55187), (42311, 47575)]