86861380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4900

約数の個数: 48

約数和(自身を含む): 194826240

約数和(自身を除く): 107964860

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, 4831, 8990, 9662, 17980, 19324, 24155, 48310, 96620, 140099, 149761, 280198, 299522, 560396, 599044, 700495, 748805, 1400990, 1497610, 2801980, 2995220, 4343069, 8686138, 17372276, 21715345, 43430690, 86861380]

約数ペア:

[(1, 86861380), (2, 43430690), (4, 21715345), (5, 17372276), (10, 8686138), (20, 4343069), (29, 2995220), (31, 2801980), (58, 1497610), (62, 1400990), (116, 748805), (124, 700495), (145, 599044), (155, 560396), (290, 299522), (310, 280198), (580, 149761), (620, 140099), (899, 96620), (1798, 48310), (3596, 24155), (4495, 19324), (4831, 17980), (8990, 9662)]