142291840

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 342034560

約数和(自身を除く): 199742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 997, 1115, 1784, 1994, 2230, 3568, 3988, 4460, 4985, 7136, 7976, 8920, 9970, 14272, 15952, 17840, 19940, 28544, 31904, 35680, 39880, 63808, 71360, 79760, 127616, 142720, 159520, 222331, 319040, 444662, 638080, 889324, 1111655, 1778648, 2223310, 3557296, 4446620, 7114592, 8893240, 14229184, 17786480, 28458368, 35572960, 71145920, 142291840]

約数ペア:

[(1, 142291840), (2, 71145920), (4, 35572960), (5, 28458368), (8, 17786480), (10, 14229184), (16, 8893240), (20, 7114592), (32, 4446620), (40, 3557296), (64, 2223310), (80, 1778648), (128, 1111655), (160, 889324), (223, 638080), (320, 444662), (446, 319040), (640, 222331), (892, 159520), (997, 142720), (1115, 127616), (1784, 79760), (1994, 71360), (2230, 63808), (3568, 39880), (3988, 35680), (4460, 31904), (4985, 28544), (7136, 19940), (7976, 17840), (8920, 15952), (9970, 14272)]