2007990050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{51421}}^1$

素因数の和:51515

約数の個数: 48

約数和(自身を含む): 4131860544

約数和(自身を除く): 2123870494

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 1562, 1775, 3550, 3905, 7810, 19525, 39050, 51421, 102842, 257105, 514210, 565631, 1131262, 1285525, 2571050, 2828155, 3650891, 5656310, 7301782, 14140775, 18254455, 28281550, 36508910, 40159801, 80319602, 91272275, 182544550, 200799005, 401598010, 1003995025, 2007990050]

約数ペア:

[(1, 2007990050), (2, 1003995025), (5, 401598010), (10, 200799005), (11, 182544550), (22, 91272275), (25, 80319602), (50, 40159801), (55, 36508910), (71, 28281550), (110, 18254455), (142, 14140775), (275, 7301782), (355, 5656310), (550, 3650891), (710, 2828155), (781, 2571050), (1562, 1285525), (1775, 1131262), (3550, 565631), (3905, 514210), (7810, 257105), (19525, 102842), (39050, 51421)]