40280548

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 95558400

約数和(自身を除く): 55277852

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 157, 187, 196, 238, 308, 314, 343, 374, 476, 539, 628, 686, 748, 833, 1078, 1099, 1309, 1372, 1666, 1727, 2156, 2198, 2618, 2669, 3332, 3454, 3773, 4396, 5236, 5338, 5831, 6908, 7546, 7693, 9163, 10676, 11662, 12089, 15092, 15386, 18326, 18683, 23324, 24178, 29359, 30772, 36652, 37366, 48356, 53851, 58718, 64141, 74732, 84623, 107702, 117436, 128282, 130781, 169246, 205513, 215404, 256564, 261562, 338492, 411026, 523124, 592361, 822052, 915467, 1184722, 1438591, 1830934, 2369444, 2877182, 3661868, 5754364, 10070137, 20140274, 40280548]

約数ペア:

[(1, 40280548), (2, 20140274), (4, 10070137), (7, 5754364), (11, 3661868), (14, 2877182), (17, 2369444), (22, 1830934), (28, 1438591), (34, 1184722), (44, 915467), (49, 822052), (68, 592361), (77, 523124), (98, 411026), (119, 338492), (154, 261562), (157, 256564), (187, 215404), (196, 205513), (238, 169246), (308, 130781), (314, 128282), (343, 117436), (374, 107702), (476, 84623), (539, 74732), (628, 64141), (686, 58718), (748, 53851), (833, 48356), (1078, 37366), (1099, 36652), (1309, 30772), (1372, 29359), (1666, 24178), (1727, 23324), (2156, 18683), (2198, 18326), (2618, 15386), (2669, 15092), (3332, 12089), (3454, 11662), (3773, 10676), (4396, 9163), (5236, 7693), (5338, 7546), (5831, 6908)]