181595020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12421}}^1$

素因数の和:12490

約数の個数: 48

約数和(自身を含む): 413205408

約数和(自身を除く): 231610388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 12421, 14620, 24842, 49684, 62105, 124210, 211157, 248420, 422314, 534103, 844628, 1055785, 1068206, 2111570, 2136412, 2670515, 4223140, 5341030, 9079751, 10682060, 18159502, 36319004, 45398755, 90797510, 181595020]

約数ペア:

[(1, 181595020), (2, 90797510), (4, 45398755), (5, 36319004), (10, 18159502), (17, 10682060), (20, 9079751), (34, 5341030), (43, 4223140), (68, 2670515), (85, 2136412), (86, 2111570), (170, 1068206), (172, 1055785), (215, 844628), (340, 534103), (430, 422314), (731, 248420), (860, 211157), (1462, 124210), (2924, 62105), (3655, 49684), (7310, 24842), (12421, 14620)]