199986890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1949}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 372902400

約数和(自身を除く): 172915510

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 331, 662, 1655, 1949, 3310, 3898, 9745, 10261, 19490, 20522, 51305, 60419, 102610, 120838, 302095, 604190, 645119, 1290238, 3225595, 6451190, 19998689, 39997378, 99993445, 199986890]

約数ペア:

[(1, 199986890), (2, 99993445), (5, 39997378), (10, 19998689), (31, 6451190), (62, 3225595), (155, 1290238), (310, 645119), (331, 604190), (662, 302095), (1655, 120838), (1949, 102610), (3310, 60419), (3898, 51305), (9745, 20522), (10261, 19490)]