397180160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23869}}^1$

素因数の和:23903

約数の個数: 72

約数和(自身を含む): 1024595880

約数和(自身を除く): 627415720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 23869, 47738, 95476, 119345, 190952, 238690, 310297, 381904, 477380, 620594, 763808, 954760, 1241188, 1527616, 1551485, 1909520, 2482376, 3055232, 3102970, 3819040, 4964752, 6110464, 6205940, 7638080, 9929504, 12411880, 15276160, 19859008, 24823760, 30552320, 39718016, 49647520, 79436032, 99295040, 198590080, 397180160]

約数ペア:

[(1, 397180160), (2, 198590080), (4, 99295040), (5, 79436032), (8, 49647520), (10, 39718016), (13, 30552320), (16, 24823760), (20, 19859008), (26, 15276160), (32, 12411880), (40, 9929504), (52, 7638080), (64, 6205940), (65, 6110464), (80, 4964752), (104, 3819040), (128, 3102970), (130, 3055232), (160, 2482376), (208, 1909520), (256, 1551485), (260, 1527616), (320, 1241188), (416, 954760), (520, 763808), (640, 620594), (832, 477380), (1040, 381904), (1280, 310297), (1664, 238690), (2080, 190952), (3328, 119345), (4160, 95476), (8320, 47738), (16640, 23869)]