380981020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{66373}}^1$

素因数の和:66430

約数の個数: 48

約数和(自身を含む): 936669888

約数和(自身を除く): 555688868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 66373, 132746, 265492, 331865, 464611, 663730, 929222, 1327460, 1858444, 2323055, 2721293, 4646110, 5442586, 9292220, 10885172, 13606465, 19049051, 27212930, 38098102, 54425860, 76196204, 95245255, 190490510, 380981020]

約数ペア:

[(1, 380981020), (2, 190490510), (4, 95245255), (5, 76196204), (7, 54425860), (10, 38098102), (14, 27212930), (20, 19049051), (28, 13606465), (35, 10885172), (41, 9292220), (70, 5442586), (82, 4646110), (140, 2721293), (164, 2323055), (205, 1858444), (287, 1327460), (410, 929222), (574, 663730), (820, 464611), (1148, 331865), (1435, 265492), (2870, 132746), (5740, 66373)]