18580100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 53329920

約数和(自身を除く): 34749820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 50, 55, 70, 76, 77, 95, 100, 110, 127, 133, 140, 154, 175, 190, 209, 220, 254, 266, 275, 308, 350, 380, 385, 418, 475, 508, 532, 550, 635, 665, 700, 770, 836, 889, 950, 1045, 1100, 1270, 1330, 1397, 1463, 1540, 1778, 1900, 1925, 2090, 2413, 2540, 2660, 2794, 2926, 3175, 3325, 3556, 3850, 4180, 4445, 4826, 5225, 5588, 5852, 6350, 6650, 6985, 7315, 7700, 8890, 9652, 9779, 10450, 12065, 12700, 13300, 13970, 14630, 16891, 17780, 19558, 20900, 22225, 24130, 26543, 27940, 29260, 33782, 34925, 36575, 39116, 44450, 48260, 48895, 53086, 60325, 67564, 69850, 73150, 84455, 88900, 97790, 106172, 120650, 132715, 139700, 146300, 168910, 185801, 195580, 241300, 244475, 265430, 337820, 371602, 422275, 488950, 530860, 663575, 743204, 844550, 929005, 977900, 1327150, 1689100, 1858010, 2654300, 3716020, 4645025, 9290050, 18580100]

約数ペア:

[(1, 18580100), (2, 9290050), (4, 4645025), (5, 3716020), (7, 2654300), (10, 1858010), (11, 1689100), (14, 1327150), (19, 977900), (20, 929005), (22, 844550), (25, 743204), (28, 663575), (35, 530860), (38, 488950), (44, 422275), (50, 371602), (55, 337820), (70, 265430), (76, 244475), (77, 241300), (95, 195580), (100, 185801), (110, 168910), (127, 146300), (133, 139700), (140, 132715), (154, 120650), (175, 106172), (190, 97790), (209, 88900), (220, 84455), (254, 73150), (266, 69850), (275, 67564), (308, 60325), (350, 53086), (380, 48895), (385, 48260), (418, 44450), (475, 39116), (508, 36575), (532, 34925), (550, 33782), (635, 29260), (665, 27940), (700, 26543), (770, 24130), (836, 22225), (889, 20900), (950, 19558), (1045, 17780), (1100, 16891), (1270, 14630), (1330, 13970), (1397, 13300), (1463, 12700), (1540, 12065), (1778, 10450), (1900, 9779), (1925, 9652), (2090, 8890), (2413, 7700), (2540, 7315), (2660, 6985), (2794, 6650), (2926, 6350), (3175, 5852), (3325, 5588), (3556, 5225), (3850, 4826), (4180, 4445)]