263918620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{1549}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 634334400

約数和(自身を除く): 370415780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1217, 1549, 2434, 3098, 4868, 6085, 6196, 7745, 8519, 10843, 12170, 15490, 17038, 21686, 24340, 30980, 34076, 42595, 43372, 54215, 85190, 108430, 170380, 216860, 1885133, 3770266, 7540532, 9425665, 13195931, 18851330, 26391862, 37702660, 52783724, 65979655, 131959310, 263918620]

約数ペア:

[(1, 263918620), (2, 131959310), (4, 65979655), (5, 52783724), (7, 37702660), (10, 26391862), (14, 18851330), (20, 13195931), (28, 9425665), (35, 7540532), (70, 3770266), (140, 1885133), (1217, 216860), (1549, 170380), (2434, 108430), (3098, 85190), (4868, 54215), (6085, 43372), (6196, 42595), (7745, 34076), (8519, 30980), (10843, 24340), (12170, 21686), (15490, 17038)]