278523700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 752840704

約数和(自身を除く): 474317004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 127, 130, 140, 175, 182, 241, 254, 260, 325, 350, 364, 455, 482, 508, 635, 650, 700, 889, 910, 964, 1205, 1270, 1300, 1651, 1687, 1778, 1820, 2275, 2410, 2540, 3133, 3175, 3302, 3374, 3556, 4445, 4550, 4820, 6025, 6266, 6350, 6604, 6748, 8255, 8435, 8890, 9100, 11557, 12050, 12532, 12700, 15665, 16510, 16870, 17780, 21931, 22225, 23114, 24100, 30607, 31330, 33020, 33740, 41275, 42175, 43862, 44450, 46228, 57785, 61214, 62660, 78325, 82550, 84350, 87724, 88900, 109655, 115570, 122428, 153035, 156650, 165100, 168700, 214249, 219310, 231140, 288925, 306070, 313300, 397891, 428498, 438620, 548275, 577850, 612140, 765175, 795782, 856996, 1071245, 1096550, 1155700, 1530350, 1591564, 1989455, 2142490, 2193100, 2785237, 3060700, 3978910, 4284980, 5356225, 5570474, 7957820, 9947275, 10712450, 11140948, 13926185, 19894550, 21424900, 27852370, 39789100, 55704740, 69630925, 139261850, 278523700]

約数ペア:

[(1, 278523700), (2, 139261850), (4, 69630925), (5, 55704740), (7, 39789100), (10, 27852370), (13, 21424900), (14, 19894550), (20, 13926185), (25, 11140948), (26, 10712450), (28, 9947275), (35, 7957820), (50, 5570474), (52, 5356225), (65, 4284980), (70, 3978910), (91, 3060700), (100, 2785237), (127, 2193100), (130, 2142490), (140, 1989455), (175, 1591564), (182, 1530350), (241, 1155700), (254, 1096550), (260, 1071245), (325, 856996), (350, 795782), (364, 765175), (455, 612140), (482, 577850), (508, 548275), (635, 438620), (650, 428498), (700, 397891), (889, 313300), (910, 306070), (964, 288925), (1205, 231140), (1270, 219310), (1300, 214249), (1651, 168700), (1687, 165100), (1778, 156650), (1820, 153035), (2275, 122428), (2410, 115570), (2540, 109655), (3133, 88900), (3175, 87724), (3302, 84350), (3374, 82550), (3556, 78325), (4445, 62660), (4550, 61214), (4820, 57785), (6025, 46228), (6266, 44450), (6350, 43862), (6604, 42175), (6748, 41275), (8255, 33740), (8435, 33020), (8890, 31330), (9100, 30607), (11557, 24100), (12050, 23114), (12532, 22225), (12700, 21931), (15665, 17780), (16510, 16870)]