207977920

素因数分解:

$2^6\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1873}}^1$

素因数の和:2237

約数の個数: 56

約数和(自身を含む): 496939824

約数和(自身を除く): 288961904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 347, 694, 1388, 1735, 1873, 2776, 3470, 3746, 5552, 6940, 7492, 9365, 11104, 13880, 14984, 18730, 22208, 27760, 29968, 37460, 55520, 59936, 74920, 111040, 119872, 149840, 299680, 599360, 649931, 1299862, 2599724, 3249655, 5199448, 6499310, 10398896, 12998620, 20797792, 25997240, 41595584, 51994480, 103988960, 207977920]

約数ペア:

[(1, 207977920), (2, 103988960), (4, 51994480), (5, 41595584), (8, 25997240), (10, 20797792), (16, 12998620), (20, 10398896), (32, 6499310), (40, 5199448), (64, 3249655), (80, 2599724), (160, 1299862), (320, 649931), (347, 599360), (694, 299680), (1388, 149840), (1735, 119872), (1873, 111040), (2776, 74920), (3470, 59936), (3746, 55520), (5552, 37460), (6940, 29968), (7492, 27760), (9365, 22208), (11104, 18730), (13880, 14984)]