7142240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{911}}^1$

素因数の和:940

約数の個数: 72

約数和(自身を含む): 19649952

約数和(自身を除く): 12507712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 911, 980, 1120, 1568, 1822, 1960, 3644, 3920, 4555, 6377, 7288, 7840, 9110, 12754, 14576, 18220, 25508, 29152, 31885, 36440, 44639, 51016, 63770, 72880, 89278, 102032, 127540, 145760, 178556, 204064, 223195, 255080, 357112, 446390, 510160, 714224, 892780, 1020320, 1428448, 1785560, 3571120, 7142240]

約数ペア:

[(1, 7142240), (2, 3571120), (4, 1785560), (5, 1428448), (7, 1020320), (8, 892780), (10, 714224), (14, 510160), (16, 446390), (20, 357112), (28, 255080), (32, 223195), (35, 204064), (40, 178556), (49, 145760), (56, 127540), (70, 102032), (80, 89278), (98, 72880), (112, 63770), (140, 51016), (160, 44639), (196, 36440), (224, 31885), (245, 29152), (280, 25508), (392, 18220), (490, 14576), (560, 12754), (784, 9110), (911, 7840), (980, 7288), (1120, 6377), (1568, 4555), (1822, 3920), (1960, 3644)]