284583680

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 685410432

約数和(自身を除く): 400826752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 640, 892, 997, 1115, 1280, 1784, 1994, 2230, 3568, 3988, 4460, 4985, 7136, 7976, 8920, 9970, 14272, 15952, 17840, 19940, 28544, 31904, 35680, 39880, 57088, 63808, 71360, 79760, 127616, 142720, 159520, 222331, 255232, 285440, 319040, 444662, 638080, 889324, 1111655, 1276160, 1778648, 2223310, 3557296, 4446620, 7114592, 8893240, 14229184, 17786480, 28458368, 35572960, 56916736, 71145920, 142291840, 284583680]

約数ペア:

[(1, 284583680), (2, 142291840), (4, 71145920), (5, 56916736), (8, 35572960), (10, 28458368), (16, 17786480), (20, 14229184), (32, 8893240), (40, 7114592), (64, 4446620), (80, 3557296), (128, 2223310), (160, 1778648), (223, 1276160), (256, 1111655), (320, 889324), (446, 638080), (640, 444662), (892, 319040), (997, 285440), (1115, 255232), (1280, 222331), (1784, 159520), (1994, 142720), (2230, 127616), (3568, 79760), (3988, 71360), (4460, 63808), (4985, 57088), (7136, 39880), (7976, 35680), (8920, 31904), (9970, 28544), (14272, 19940), (15952, 17840)]