31696180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 70560000

約数和(自身を除く): 38863820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 349, 380, 478, 698, 956, 1195, 1396, 1745, 2390, 3490, 4541, 4780, 6631, 6980, 9082, 13262, 18164, 22705, 26524, 33155, 45410, 66310, 83411, 90820, 132620, 166822, 333644, 417055, 834110, 1584809, 1668220, 3169618, 6339236, 7924045, 15848090, 31696180]

約数ペア:

[(1, 31696180), (2, 15848090), (4, 7924045), (5, 6339236), (10, 3169618), (19, 1668220), (20, 1584809), (38, 834110), (76, 417055), (95, 333644), (190, 166822), (239, 132620), (349, 90820), (380, 83411), (478, 66310), (698, 45410), (956, 33155), (1195, 26524), (1396, 22705), (1745, 18164), (2390, 13262), (3490, 9082), (4541, 6980), (4780, 6631)]