291295120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{46091}}^1$

素因数の和:46183

約数の個数: 40

約数和(自身を含む): 685848960

約数和(自身を除く): 394553840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 46091, 92182, 184364, 230455, 368728, 460910, 737456, 921820, 1843640, 3641189, 3687280, 7282378, 14564756, 18205945, 29129512, 36411890, 58259024, 72823780, 145647560, 291295120]

約数ペア:

[(1, 291295120), (2, 145647560), (4, 72823780), (5, 58259024), (8, 36411890), (10, 29129512), (16, 18205945), (20, 14564756), (40, 7282378), (79, 3687280), (80, 3641189), (158, 1843640), (316, 921820), (395, 737456), (632, 460910), (790, 368728), (1264, 230455), (1580, 184364), (3160, 92182), (6320, 46091)]