49806680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 141972480

約数和(自身を除く): 92165800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 103, 110, 140, 154, 157, 206, 220, 280, 308, 314, 385, 412, 440, 515, 616, 628, 721, 770, 785, 824, 1030, 1099, 1133, 1256, 1442, 1540, 1570, 1727, 2060, 2198, 2266, 2884, 3080, 3140, 3454, 3605, 4120, 4396, 4532, 5495, 5665, 5768, 6280, 6908, 7210, 7931, 8635, 8792, 9064, 10990, 11330, 12089, 13816, 14420, 15862, 16171, 17270, 21980, 22660, 24178, 28840, 31724, 32342, 34540, 39655, 43960, 45320, 48356, 60445, 63448, 64684, 69080, 79310, 80855, 96712, 113197, 120890, 129368, 158620, 161710, 177881, 226394, 241780, 317240, 323420, 355762, 452788, 483560, 565985, 646840, 711524, 889405, 905576, 1131970, 1245167, 1423048, 1778810, 2263940, 2490334, 3557620, 4527880, 4980668, 6225835, 7115240, 9961336, 12451670, 24903340, 49806680]

約数ペア:

[(1, 49806680), (2, 24903340), (4, 12451670), (5, 9961336), (7, 7115240), (8, 6225835), (10, 4980668), (11, 4527880), (14, 3557620), (20, 2490334), (22, 2263940), (28, 1778810), (35, 1423048), (40, 1245167), (44, 1131970), (55, 905576), (56, 889405), (70, 711524), (77, 646840), (88, 565985), (103, 483560), (110, 452788), (140, 355762), (154, 323420), (157, 317240), (206, 241780), (220, 226394), (280, 177881), (308, 161710), (314, 158620), (385, 129368), (412, 120890), (440, 113197), (515, 96712), (616, 80855), (628, 79310), (721, 69080), (770, 64684), (785, 63448), (824, 60445), (1030, 48356), (1099, 45320), (1133, 43960), (1256, 39655), (1442, 34540), (1540, 32342), (1570, 31724), (1727, 28840), (2060, 24178), (2198, 22660), (2266, 21980), (2884, 17270), (3080, 16171), (3140, 15862), (3454, 14420), (3605, 13816), (4120, 12089), (4396, 11330), (4532, 10990), (5495, 9064), (5665, 8792), (5768, 8635), (6280, 7931), (6908, 7210)]