290021820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439427}}^1$

素因数の和:439450

約数の個数: 48

約数和(自身を含む): 885886848

約数和(自身を除く): 595865028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 439427, 878854, 1318281, 1757708, 2197135, 2636562, 4394270, 4833697, 5273124, 6591405, 8788540, 9667394, 13182810, 14501091, 19334788, 24168485, 26365620, 29002182, 48336970, 58004364, 72505455, 96673940, 145010910, 290021820]

約数ペア:

[(1, 290021820), (2, 145010910), (3, 96673940), (4, 72505455), (5, 58004364), (6, 48336970), (10, 29002182), (11, 26365620), (12, 24168485), (15, 19334788), (20, 14501091), (22, 13182810), (30, 9667394), (33, 8788540), (44, 6591405), (55, 5273124), (60, 4833697), (66, 4394270), (110, 2636562), (132, 2197135), (165, 1757708), (220, 1318281), (330, 878854), (660, 439427)]