278313990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{10459}}^1$

素因数の和:11356

約数の個数: 32

約数和(自身を含む): 668770560

約数和(自身を除く): 390456570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 887, 1774, 2661, 4435, 5322, 8870, 10459, 13305, 20918, 26610, 31377, 52295, 62754, 104590, 156885, 313770, 9277133, 18554266, 27831399, 46385665, 55662798, 92771330, 139156995, 278313990]

約数ペア:

[(1, 278313990), (2, 139156995), (3, 92771330), (5, 55662798), (6, 46385665), (10, 27831399), (15, 18554266), (30, 9277133), (887, 313770), (1774, 156885), (2661, 104590), (4435, 62754), (5322, 52295), (8870, 31377), (10459, 26610), (13305, 20918)]