989135060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{70351}}^1$

素因数の和:70416

約数の個数: 48

約数和(自身を含む): 2245635840

約数和(自身を除く): 1256500780

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 70351, 140702, 281404, 351755, 703510, 1336669, 1407020, 2602987, 2673338, 5205974, 5346676, 6683345, 10411948, 13014935, 13366690, 26029870, 26733380, 49456753, 52059740, 98913506, 197827012, 247283765, 494567530, 989135060]

約数ペア:

[(1, 989135060), (2, 494567530), (4, 247283765), (5, 197827012), (10, 98913506), (19, 52059740), (20, 49456753), (37, 26733380), (38, 26029870), (74, 13366690), (76, 13014935), (95, 10411948), (148, 6683345), (185, 5346676), (190, 5205974), (370, 2673338), (380, 2602987), (703, 1407020), (740, 1336669), (1406, 703510), (2812, 351755), (3515, 281404), (7030, 140702), (14060, 70351)]