411679820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{1493}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 917124768

約数和(自身を除く): 505444948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 811, 1493, 1622, 2986, 3244, 4055, 5972, 7465, 8110, 13787, 14930, 16220, 25381, 27574, 29860, 50762, 55148, 68935, 101524, 126905, 137870, 253810, 275740, 507620, 1210823, 2421646, 4843292, 6054115, 12108230, 20583991, 24216460, 41167982, 82335964, 102919955, 205839910, 411679820]

約数ペア:

[(1, 411679820), (2, 205839910), (4, 102919955), (5, 82335964), (10, 41167982), (17, 24216460), (20, 20583991), (34, 12108230), (68, 6054115), (85, 4843292), (170, 2421646), (340, 1210823), (811, 507620), (1493, 275740), (1622, 253810), (2986, 137870), (3244, 126905), (4055, 101524), (5972, 68935), (7465, 55148), (8110, 50762), (13787, 29860), (14930, 27574), (16220, 25381)]