409098290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{2657}}^1$

素因数の和:2926

約数の個数: 32

約数和(自身を含む): 749237040

約数和(自身を除く): 340138750

約数列:

[1, 2, 5, 10, 89, 173, 178, 346, 445, 865, 890, 1730, 2657, 5314, 13285, 15397, 26570, 30794, 76985, 153970, 236473, 459661, 472946, 919322, 1182365, 2298305, 2364730, 4596610, 40909829, 81819658, 204549145, 409098290]

約数ペア:

[(1, 409098290), (2, 204549145), (5, 81819658), (10, 40909829), (89, 4596610), (173, 2364730), (178, 2298305), (346, 1182365), (445, 919322), (865, 472946), (890, 459661), (1730, 236473), (2657, 153970), (5314, 76985), (13285, 30794), (15397, 26570)]