82855220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1447}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 199476480

約数和(自身を除く): 116621260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1447, 1636, 2045, 2863, 2894, 4090, 5726, 5788, 7235, 8180, 10129, 11452, 14315, 14470, 20258, 28630, 28940, 40516, 50645, 57260, 101290, 202580, 591823, 1183646, 2367292, 2959115, 4142761, 5918230, 8285522, 11836460, 16571044, 20713805, 41427610, 82855220]

約数ペア:

[(1, 82855220), (2, 41427610), (4, 20713805), (5, 16571044), (7, 11836460), (10, 8285522), (14, 5918230), (20, 4142761), (28, 2959115), (35, 2367292), (70, 1183646), (140, 591823), (409, 202580), (818, 101290), (1447, 57260), (1636, 50645), (2045, 40516), (2863, 28940), (2894, 28630), (4090, 20258), (5726, 14470), (5788, 14315), (7235, 11452), (8180, 10129)]