386557720

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{20963}}^1$

素因数の和:21435

約数の個数: 32

約数和(自身を含む): 871683120

約数和(自身を除く): 485125400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 20963, 41926, 83852, 104815, 167704, 209630, 419260, 838520, 9663943, 19327886, 38655772, 48319715, 77311544, 96639430, 193278860, 386557720]

約数ペア:

[(1, 386557720), (2, 193278860), (4, 96639430), (5, 77311544), (8, 48319715), (10, 38655772), (20, 19327886), (40, 9663943), (461, 838520), (922, 419260), (1844, 209630), (2305, 167704), (3688, 104815), (4610, 83852), (9220, 41926), (18440, 20963)]