204490960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2837}}^1$

素因数の和:2920

約数の個数: 80

約数和(自身を含む): 513087696

約数和(自身を除く): 308596736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 530, 680, 848, 901, 1060, 1360, 1802, 2120, 2837, 3604, 4240, 4505, 5674, 7208, 9010, 11348, 14185, 14416, 18020, 22696, 28370, 36040, 45392, 48229, 56740, 72080, 96458, 113480, 150361, 192916, 226960, 241145, 300722, 385832, 482290, 601444, 751805, 771664, 964580, 1202888, 1503610, 1929160, 2405776, 2556137, 3007220, 3858320, 5112274, 6014440, 10224548, 12028880, 12780685, 20449096, 25561370, 40898192, 51122740, 102245480, 204490960]

約数ペア:

[(1, 204490960), (2, 102245480), (4, 51122740), (5, 40898192), (8, 25561370), (10, 20449096), (16, 12780685), (17, 12028880), (20, 10224548), (34, 6014440), (40, 5112274), (53, 3858320), (68, 3007220), (80, 2556137), (85, 2405776), (106, 1929160), (136, 1503610), (170, 1202888), (212, 964580), (265, 771664), (272, 751805), (340, 601444), (424, 482290), (530, 385832), (680, 300722), (848, 241145), (901, 226960), (1060, 192916), (1360, 150361), (1802, 113480), (2120, 96458), (2837, 72080), (3604, 56740), (4240, 48229), (4505, 45392), (5674, 36040), (7208, 28370), (9010, 22696), (11348, 18020), (14185, 14416)]