68658500

素因数分解:

$2^2\times 5^3\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 150761520

約数和(自身を除く): 82103020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 353, 389, 500, 706, 778, 1412, 1556, 1765, 1945, 3530, 3890, 7060, 7780, 8825, 9725, 17650, 19450, 35300, 38900, 44125, 48625, 88250, 97250, 137317, 176500, 194500, 274634, 549268, 686585, 1373170, 2746340, 3432925, 6865850, 13731700, 17164625, 34329250, 68658500]

約数ペア:

[(1, 68658500), (2, 34329250), (4, 17164625), (5, 13731700), (10, 6865850), (20, 3432925), (25, 2746340), (50, 1373170), (100, 686585), (125, 549268), (250, 274634), (353, 194500), (389, 176500), (500, 137317), (706, 97250), (778, 88250), (1412, 48625), (1556, 44125), (1765, 38900), (1945, 35300), (3530, 19450), (3890, 17650), (7060, 9725), (7780, 8825)]