128736580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54091}}^1$

素因数の和:54124

約数の個数: 48

約数和(自身を含む): 327148416

約数和(自身を除く): 198411836

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 54091, 108182, 216364, 270455, 378637, 540910, 757274, 919547, 1081820, 1514548, 1839094, 1893185, 3678188, 3786370, 4597735, 6436829, 7572740, 9195470, 12873658, 18390940, 25747316, 32184145, 64368290, 128736580]

約数ペア:

[(1, 128736580), (2, 64368290), (4, 32184145), (5, 25747316), (7, 18390940), (10, 12873658), (14, 9195470), (17, 7572740), (20, 6436829), (28, 4597735), (34, 3786370), (35, 3678188), (68, 1893185), (70, 1839094), (85, 1514548), (119, 1081820), (140, 919547), (170, 757274), (238, 540910), (340, 378637), (476, 270455), (595, 216364), (1190, 108182), (2380, 54091)]