857581420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{7019}}^1$

素因数の和:7218

約数の個数: 48

約数和(自身を含む): 1857492000

約数和(自身を除く): 999910580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 596, 745, 820, 1490, 2980, 6109, 7019, 12218, 14038, 24436, 28076, 30545, 35095, 61090, 70190, 122180, 140380, 287779, 575558, 1045831, 1151116, 1438895, 2091662, 2877790, 4183324, 5229155, 5755580, 10458310, 20916620, 42879071, 85758142, 171516284, 214395355, 428790710, 857581420]

約数ペア:

[(1, 857581420), (2, 428790710), (4, 214395355), (5, 171516284), (10, 85758142), (20, 42879071), (41, 20916620), (82, 10458310), (149, 5755580), (164, 5229155), (205, 4183324), (298, 2877790), (410, 2091662), (596, 1438895), (745, 1151116), (820, 1045831), (1490, 575558), (2980, 287779), (6109, 140380), (7019, 122180), (12218, 70190), (14038, 61090), (24436, 35095), (28076, 30545)]