490006640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2837}}^1$

素因数の和:2994

約数の個数: 80

約数和(自身を含む): 1216207872

約数和(自身を除く): 726201232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 2032, 2159, 2540, 2837, 4318, 5080, 5674, 8636, 10160, 10795, 11348, 14185, 17272, 21590, 22696, 28370, 34544, 43180, 45392, 48229, 56740, 86360, 96458, 113480, 172720, 192916, 226960, 241145, 360299, 385832, 482290, 720598, 771664, 964580, 1441196, 1801495, 1929160, 2882392, 3602990, 3858320, 5764784, 6125083, 7205980, 12250166, 14411960, 24500332, 28823920, 30625415, 49000664, 61250830, 98001328, 122501660, 245003320, 490006640]

約数ペア:

[(1, 490006640), (2, 245003320), (4, 122501660), (5, 98001328), (8, 61250830), (10, 49000664), (16, 30625415), (17, 28823920), (20, 24500332), (34, 14411960), (40, 12250166), (68, 7205980), (80, 6125083), (85, 5764784), (127, 3858320), (136, 3602990), (170, 2882392), (254, 1929160), (272, 1801495), (340, 1441196), (508, 964580), (635, 771664), (680, 720598), (1016, 482290), (1270, 385832), (1360, 360299), (2032, 241145), (2159, 226960), (2540, 192916), (2837, 172720), (4318, 113480), (5080, 96458), (5674, 86360), (8636, 56740), (10160, 48229), (10795, 45392), (11348, 43180), (14185, 34544), (17272, 28370), (21590, 22696)]