16448740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{971}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 43436736

約数和(自身を除く): 26987996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 971, 1210, 1540, 1694, 1942, 2420, 3388, 3884, 4235, 4855, 6797, 8470, 9710, 10681, 13594, 16940, 19420, 21362, 27188, 33985, 42724, 53405, 67970, 74767, 106810, 117491, 135940, 149534, 213620, 234982, 299068, 373835, 469964, 587455, 747670, 822437, 1174910, 1495340, 1644874, 2349820, 3289748, 4112185, 8224370, 16448740]

約数ペア:

[(1, 16448740), (2, 8224370), (4, 4112185), (5, 3289748), (7, 2349820), (10, 1644874), (11, 1495340), (14, 1174910), (20, 822437), (22, 747670), (28, 587455), (35, 469964), (44, 373835), (55, 299068), (70, 234982), (77, 213620), (110, 149534), (121, 135940), (140, 117491), (154, 106810), (220, 74767), (242, 67970), (308, 53405), (385, 42724), (484, 33985), (605, 27188), (770, 21362), (847, 19420), (971, 16940), (1210, 13594), (1540, 10681), (1694, 9710), (1942, 8470), (2420, 6797), (3388, 4855), (3884, 4235)]