1678166020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{77621}}^1$

素因数の和:77700

約数の個数: 48

約数和(自身を含む): 3755662848

約数和(自身を除く): 2077496828

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 77621, 155242, 310484, 388105, 776210, 1552420, 1785283, 3570566, 3648187, 7141132, 7296374, 8926415, 14592748, 17852830, 18240935, 35705660, 36481870, 72963740, 83908301, 167816602, 335633204, 419541505, 839083010, 1678166020]

約数ペア:

[(1, 1678166020), (2, 839083010), (4, 419541505), (5, 335633204), (10, 167816602), (20, 83908301), (23, 72963740), (46, 36481870), (47, 35705660), (92, 18240935), (94, 17852830), (115, 14592748), (188, 8926415), (230, 7296374), (235, 7141132), (460, 3648187), (470, 3570566), (940, 1785283), (1081, 1552420), (2162, 776210), (4324, 388105), (5405, 310484), (10810, 155242), (21620, 77621)]