207785920

素因数分解:

$2^6\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1049}}^1$

素因数の和:1685

約数の個数: 56

約数和(自身を含む): 496062000

約数和(自身を除く): 288276080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 619, 1049, 1238, 2098, 2476, 3095, 4196, 4952, 5245, 6190, 8392, 9904, 10490, 12380, 16784, 19808, 20980, 24760, 33568, 39616, 41960, 49520, 67136, 83920, 99040, 167840, 198080, 335680, 649331, 1298662, 2597324, 3246655, 5194648, 6493310, 10389296, 12986620, 20778592, 25973240, 41557184, 51946480, 103892960, 207785920]

約数ペア:

[(1, 207785920), (2, 103892960), (4, 51946480), (5, 41557184), (8, 25973240), (10, 20778592), (16, 12986620), (20, 10389296), (32, 6493310), (40, 5194648), (64, 3246655), (80, 2597324), (160, 1298662), (320, 649331), (619, 335680), (1049, 198080), (1238, 167840), (2098, 99040), (2476, 83920), (3095, 67136), (4196, 49520), (4952, 41960), (5245, 39616), (6190, 33568), (8392, 24760), (9904, 20980), (10490, 19808), (12380, 16784)]