28778200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 74280960

約数和(自身を除く): 45502760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 103, 110, 127, 200, 206, 220, 254, 275, 412, 440, 508, 515, 550, 635, 824, 1016, 1030, 1100, 1133, 1270, 1397, 2060, 2200, 2266, 2540, 2575, 2794, 3175, 4120, 4532, 5080, 5150, 5588, 5665, 6350, 6985, 9064, 10300, 11176, 11330, 12700, 13081, 13970, 20600, 22660, 25400, 26162, 27940, 28325, 34925, 45320, 52324, 55880, 56650, 65405, 69850, 104648, 113300, 130810, 139700, 143891, 226600, 261620, 279400, 287782, 327025, 523240, 575564, 654050, 719455, 1151128, 1308100, 1438910, 2616200, 2877820, 3597275, 5755640, 7194550, 14389100, 28778200]

約数ペア:

[(1, 28778200), (2, 14389100), (4, 7194550), (5, 5755640), (8, 3597275), (10, 2877820), (11, 2616200), (20, 1438910), (22, 1308100), (25, 1151128), (40, 719455), (44, 654050), (50, 575564), (55, 523240), (88, 327025), (100, 287782), (103, 279400), (110, 261620), (127, 226600), (200, 143891), (206, 139700), (220, 130810), (254, 113300), (275, 104648), (412, 69850), (440, 65405), (508, 56650), (515, 55880), (550, 52324), (635, 45320), (824, 34925), (1016, 28325), (1030, 27940), (1100, 26162), (1133, 25400), (1270, 22660), (1397, 20600), (2060, 13970), (2200, 13081), (2266, 12700), (2540, 11330), (2575, 11176), (2794, 10300), (3175, 9064), (4120, 6985), (4532, 6350), (5080, 5665), (5150, 5588)]