49854280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 128874240

約数和(自身を除く): 79019960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 677, 1052, 1315, 1354, 1841, 2104, 2630, 2708, 3385, 3682, 4739, 5260, 5416, 6770, 7364, 9205, 9478, 10520, 13540, 14728, 18410, 18956, 23695, 27080, 36820, 37912, 47390, 73640, 94780, 178051, 189560, 356102, 712204, 890255, 1246357, 1424408, 1780510, 2492714, 3561020, 4985428, 6231785, 7122040, 9970856, 12463570, 24927140, 49854280]

約数ペア:

[(1, 49854280), (2, 24927140), (4, 12463570), (5, 9970856), (7, 7122040), (8, 6231785), (10, 4985428), (14, 3561020), (20, 2492714), (28, 1780510), (35, 1424408), (40, 1246357), (56, 890255), (70, 712204), (140, 356102), (263, 189560), (280, 178051), (526, 94780), (677, 73640), (1052, 47390), (1315, 37912), (1354, 36820), (1841, 27080), (2104, 23695), (2630, 18956), (2708, 18410), (3385, 14728), (3682, 13540), (4739, 10520), (5260, 9478), (5416, 9205), (6770, 7364)]