489880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 1135440

約数和(自身を除く): 645560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 331, 370, 662, 740, 1324, 1480, 1655, 2648, 3310, 6620, 12247, 13240, 24494, 48988, 61235, 97976, 122470, 244940, 489880]

約数ペア:

[(1, 489880), (2, 244940), (4, 122470), (5, 97976), (8, 61235), (10, 48988), (20, 24494), (37, 13240), (40, 12247), (74, 6620), (148, 3310), (185, 2648), (296, 1655), (331, 1480), (370, 1324), (662, 740)]