858753020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{1777}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 1834639968

約数和(自身を除く): 975886948

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 331, 365, 662, 730, 1324, 1460, 1655, 1777, 3310, 3554, 6620, 7108, 8885, 17770, 24163, 35540, 48326, 96652, 120815, 129721, 241630, 259442, 483260, 518884, 588187, 648605, 1176374, 1297210, 2352748, 2594420, 2940935, 5881870, 11763740, 42937651, 85875302, 171750604, 214688255, 429376510, 858753020]

約数ペア:

[(1, 858753020), (2, 429376510), (4, 214688255), (5, 171750604), (10, 85875302), (20, 42937651), (73, 11763740), (146, 5881870), (292, 2940935), (331, 2594420), (365, 2352748), (662, 1297210), (730, 1176374), (1324, 648605), (1460, 588187), (1655, 518884), (1777, 483260), (3310, 259442), (3554, 241630), (6620, 129721), (7108, 120815), (8885, 96652), (17770, 48326), (24163, 35540)]