281848912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 587172240

約数和(自身を除く): 305323328

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 73, 106, 116, 146, 157, 212, 232, 292, 314, 424, 464, 584, 628, 848, 1168, 1256, 1537, 2117, 2512, 3074, 3869, 4234, 4553, 6148, 7738, 8321, 8468, 9106, 11461, 12296, 15476, 16642, 16936, 18212, 22922, 24592, 30952, 33284, 33872, 36424, 45844, 61904, 66568, 72848, 91688, 112201, 133136, 183376, 224402, 241309, 332369, 448804, 482618, 607433, 664738, 897608, 965236, 1214866, 1329476, 1795216, 1930472, 2429732, 2658952, 3860944, 4859464, 5317904, 9718928, 17615557, 35231114, 70462228, 140924456, 281848912]

約数ペア:

[(1, 281848912), (2, 140924456), (4, 70462228), (8, 35231114), (16, 17615557), (29, 9718928), (53, 5317904), (58, 4859464), (73, 3860944), (106, 2658952), (116, 2429732), (146, 1930472), (157, 1795216), (212, 1329476), (232, 1214866), (292, 965236), (314, 897608), (424, 664738), (464, 607433), (584, 482618), (628, 448804), (848, 332369), (1168, 241309), (1256, 224402), (1537, 183376), (2117, 133136), (2512, 112201), (3074, 91688), (3869, 72848), (4234, 66568), (4553, 61904), (6148, 45844), (7738, 36424), (8321, 33872), (8468, 33284), (9106, 30952), (11461, 24592), (12296, 22922), (15476, 18212), (16642, 16936)]