28747390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 59328000

約数和(自身を除く): 30580610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 499, 823, 998, 1646, 2495, 3493, 4115, 4990, 5761, 6986, 8230, 11522, 17465, 28805, 34930, 57610, 410677, 821354, 2053385, 2874739, 4106770, 5749478, 14373695, 28747390]

約数ペア:

[(1, 28747390), (2, 14373695), (5, 5749478), (7, 4106770), (10, 2874739), (14, 2053385), (35, 821354), (70, 410677), (499, 57610), (823, 34930), (998, 28805), (1646, 17465), (2495, 11522), (3493, 8230), (4115, 6986), (4990, 5761)]