253532140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 548819712

約数和(自身を除く): 295287572

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 397, 740, 794, 863, 1588, 1726, 1985, 3452, 3970, 4315, 7940, 8630, 14689, 17260, 29378, 31931, 58756, 63862, 73445, 127724, 146890, 159655, 293780, 319310, 342611, 638620, 685222, 1370444, 1713055, 3426110, 6852220, 12676607, 25353214, 50706428, 63383035, 126766070, 253532140]

約数ペア:

[(1, 253532140), (2, 126766070), (4, 63383035), (5, 50706428), (10, 25353214), (20, 12676607), (37, 6852220), (74, 3426110), (148, 1713055), (185, 1370444), (370, 685222), (397, 638620), (740, 342611), (794, 319310), (863, 293780), (1588, 159655), (1726, 146890), (1985, 127724), (3452, 73445), (3970, 63862), (4315, 58756), (7940, 31931), (8630, 29378), (14689, 17260)]