84128420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4679}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 188697600

約数和(自身を除く): 104569180

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 4679, 8990, 9358, 17980, 18716, 23395, 46790, 93580, 135691, 145049, 271382, 290098, 542764, 580196, 678455, 725245, 1356910, 1450490, 2713820, 2900980, 4206421, 8412842, 16825684, 21032105, 42064210, 84128420]

約数ペア:

[(1, 84128420), (2, 42064210), (4, 21032105), (5, 16825684), (10, 8412842), (20, 4206421), (29, 2900980), (31, 2713820), (58, 1450490), (62, 1356910), (116, 725245), (124, 678455), (145, 580196), (155, 542764), (290, 290098), (310, 271382), (580, 145049), (620, 135691), (899, 93580), (1798, 46790), (3596, 23395), (4495, 18716), (4679, 17980), (8990, 9358)]