356943980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 765059904

約数和(自身を除く): 408115924

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 173, 284, 346, 355, 692, 710, 865, 1420, 1453, 1730, 2906, 3460, 5812, 7265, 12283, 14530, 24566, 29060, 49132, 61415, 103163, 122830, 206326, 245660, 251369, 412652, 502738, 515815, 1005476, 1031630, 1256845, 2063260, 2513690, 5027380, 17847199, 35694398, 71388796, 89235995, 178471990, 356943980]

約数ペア:

[(1, 356943980), (2, 178471990), (4, 89235995), (5, 71388796), (10, 35694398), (20, 17847199), (71, 5027380), (142, 2513690), (173, 2063260), (284, 1256845), (346, 1031630), (355, 1005476), (692, 515815), (710, 502738), (865, 412652), (1420, 251369), (1453, 245660), (1730, 206326), (2906, 122830), (3460, 103163), (5812, 61415), (7265, 49132), (12283, 29060), (14530, 24566)]