31388500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 80720640

約数和(自身を除く): 49332140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 250, 260, 275, 286, 325, 439, 500, 550, 572, 650, 715, 878, 1100, 1300, 1375, 1430, 1625, 1756, 2195, 2750, 2860, 3250, 3575, 4390, 4829, 5500, 5707, 6500, 7150, 8780, 9658, 10975, 11414, 14300, 17875, 19316, 21950, 22828, 24145, 28535, 35750, 43900, 48290, 54875, 57070, 62777, 71500, 96580, 109750, 114140, 120725, 125554, 142675, 219500, 241450, 251108, 285350, 313885, 482900, 570700, 603625, 627770, 713375, 1207250, 1255540, 1426750, 1569425, 2414500, 2853500, 3138850, 6277700, 7847125, 15694250, 31388500]

約数ペア:

[(1, 31388500), (2, 15694250), (4, 7847125), (5, 6277700), (10, 3138850), (11, 2853500), (13, 2414500), (20, 1569425), (22, 1426750), (25, 1255540), (26, 1207250), (44, 713375), (50, 627770), (52, 603625), (55, 570700), (65, 482900), (100, 313885), (110, 285350), (125, 251108), (130, 241450), (143, 219500), (220, 142675), (250, 125554), (260, 120725), (275, 114140), (286, 109750), (325, 96580), (439, 71500), (500, 62777), (550, 57070), (572, 54875), (650, 48290), (715, 43900), (878, 35750), (1100, 28535), (1300, 24145), (1375, 22828), (1430, 21950), (1625, 19316), (1756, 17875), (2195, 14300), (2750, 11414), (2860, 10975), (3250, 9658), (3575, 8780), (4390, 7150), (4829, 6500), (5500, 5707)]