1780821092

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{4457}}^1$

素因数の和:4628

約数の個数: 48

約数和(自身を含む): 3361260672

約数和(自身を除く): 1580439580

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 101, 172, 202, 404, 989, 1978, 2323, 3956, 4343, 4457, 4646, 8686, 8914, 9292, 17372, 17828, 99889, 102511, 191651, 199778, 205022, 383302, 399556, 410044, 450157, 766604, 900314, 1800628, 4407973, 8815946, 10353611, 17631892, 19356751, 20707222, 38713502, 41414444, 77427004, 445205273, 890410546, 1780821092]

約数ペア:

[(1, 1780821092), (2, 890410546), (4, 445205273), (23, 77427004), (43, 41414444), (46, 38713502), (86, 20707222), (92, 19356751), (101, 17631892), (172, 10353611), (202, 8815946), (404, 4407973), (989, 1800628), (1978, 900314), (2323, 766604), (3956, 450157), (4343, 410044), (4457, 399556), (4646, 383302), (8686, 205022), (8914, 199778), (9292, 191651), (17372, 102511), (17828, 99889)]