28664620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9619}}^1$

素因数の和:9777

約数の個数: 24

約数和(自身を含む): 60606000

約数和(自身を除く): 31941380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9619, 19238, 38476, 48095, 96190, 192380, 1433231, 2866462, 5732924, 7166155, 14332310, 28664620]

約数ペア:

[(1, 28664620), (2, 14332310), (4, 7166155), (5, 5732924), (10, 2866462), (20, 1433231), (149, 192380), (298, 96190), (596, 48095), (745, 38476), (1490, 19238), (2980, 9619)]