205903180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 507386880

約数和(自身を除く): 301483700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 109, 131, 140, 206, 218, 262, 412, 436, 515, 524, 545, 655, 721, 763, 917, 1030, 1090, 1310, 1442, 1526, 1834, 2060, 2180, 2620, 2884, 3052, 3605, 3668, 3815, 4585, 7210, 7630, 9170, 11227, 13493, 14279, 14420, 15260, 18340, 22454, 26986, 28558, 44908, 53972, 56135, 57116, 67465, 71395, 78589, 94451, 99953, 112270, 134930, 142790, 157178, 188902, 199906, 224540, 269860, 285580, 314356, 377804, 392945, 399812, 472255, 499765, 785890, 944510, 999530, 1470737, 1571780, 1889020, 1999060, 2941474, 5882948, 7353685, 10295159, 14707370, 20590318, 29414740, 41180636, 51475795, 102951590, 205903180]

約数ペア:

[(1, 205903180), (2, 102951590), (4, 51475795), (5, 41180636), (7, 29414740), (10, 20590318), (14, 14707370), (20, 10295159), (28, 7353685), (35, 5882948), (70, 2941474), (103, 1999060), (109, 1889020), (131, 1571780), (140, 1470737), (206, 999530), (218, 944510), (262, 785890), (412, 499765), (436, 472255), (515, 399812), (524, 392945), (545, 377804), (655, 314356), (721, 285580), (763, 269860), (917, 224540), (1030, 199906), (1090, 188902), (1310, 157178), (1442, 142790), (1526, 134930), (1834, 112270), (2060, 99953), (2180, 94451), (2620, 78589), (2884, 71395), (3052, 67465), (3605, 57116), (3668, 56135), (3815, 53972), (4585, 44908), (7210, 28558), (7630, 26986), (9170, 22454), (11227, 18340), (13493, 15260), (14279, 14420)]