389343668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1931}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 822259200

約数和(自身を除く): 432915532

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 379, 532, 758, 1516, 1931, 2653, 3862, 5306, 7201, 7724, 10612, 13517, 14402, 27034, 28804, 36689, 50407, 54068, 73378, 100814, 146756, 201628, 256823, 513646, 731849, 1027292, 1463698, 2927396, 5122943, 10245886, 13905131, 20491772, 27810262, 55620524, 97335917, 194671834, 389343668]

約数ペア:

[(1, 389343668), (2, 194671834), (4, 97335917), (7, 55620524), (14, 27810262), (19, 20491772), (28, 13905131), (38, 10245886), (76, 5122943), (133, 2927396), (266, 1463698), (379, 1027292), (532, 731849), (758, 513646), (1516, 256823), (1931, 201628), (2653, 146756), (3862, 100814), (5306, 73378), (7201, 54068), (7724, 50407), (10612, 36689), (13517, 28804), (14402, 27034)]