489778870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{53411}}^1$

素因数の和:53556

約数の個数: 32

約数和(自身を含む): 1015255296

約数和(自身を除く): 525476426

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 4585, 9170, 53411, 106822, 267055, 373877, 534110, 747754, 1869385, 3738770, 6996841, 13993682, 34984205, 48977887, 69968410, 97955774, 244889435, 489778870]

約数ペア:

[(1, 489778870), (2, 244889435), (5, 97955774), (7, 69968410), (10, 48977887), (14, 34984205), (35, 13993682), (70, 6996841), (131, 3738770), (262, 1869385), (655, 747754), (917, 534110), (1310, 373877), (1834, 267055), (4585, 106822), (9170, 53411)]