9780820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3677}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 24716160

約数和(自身を除く): 14935340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3677, 7354, 14708, 18385, 25739, 36770, 51478, 69863, 73540, 102956, 128695, 139726, 257390, 279452, 349315, 489041, 514780, 698630, 978082, 1397260, 1956164, 2445205, 4890410, 9780820]

約数ペア:

[(1, 9780820), (2, 4890410), (4, 2445205), (5, 1956164), (7, 1397260), (10, 978082), (14, 698630), (19, 514780), (20, 489041), (28, 349315), (35, 279452), (38, 257390), (70, 139726), (76, 128695), (95, 102956), (133, 73540), (140, 69863), (190, 51478), (266, 36770), (380, 25739), (532, 18385), (665, 14708), (1330, 7354), (2660, 3677)]