391050520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6619}}^1$

素因数の和:6848

約数の個数: 64

約数和(自身を含む): 1010476800

約数和(自身を除く): 619426280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 4220, 5908, 6619, 7385, 8440, 11816, 13238, 14770, 26476, 29540, 33095, 46333, 52952, 59080, 66190, 92666, 132380, 185332, 231665, 264760, 370664, 463330, 926660, 1396609, 1853320, 2793218, 5586436, 6983045, 9776263, 11172872, 13966090, 19552526, 27932180, 39105052, 48881315, 55864360, 78210104, 97762630, 195525260, 391050520]

約数ペア:

[(1, 391050520), (2, 195525260), (4, 97762630), (5, 78210104), (7, 55864360), (8, 48881315), (10, 39105052), (14, 27932180), (20, 19552526), (28, 13966090), (35, 11172872), (40, 9776263), (56, 6983045), (70, 5586436), (140, 2793218), (211, 1853320), (280, 1396609), (422, 926660), (844, 463330), (1055, 370664), (1477, 264760), (1688, 231665), (2110, 185332), (2954, 132380), (4220, 92666), (5908, 66190), (6619, 59080), (7385, 52952), (8440, 46333), (11816, 33095), (13238, 29540), (14770, 26476)]