870836620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{1777}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 1854951840

約数和(自身を除く): 984115220

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 229, 428, 458, 535, 916, 1070, 1145, 1777, 2140, 2290, 3554, 4580, 7108, 8885, 17770, 24503, 35540, 49006, 98012, 122515, 190139, 245030, 380278, 406933, 490060, 760556, 813866, 950695, 1627732, 1901390, 2034665, 3802780, 4069330, 8138660, 43541831, 87083662, 174167324, 217709155, 435418310, 870836620]

約数ペア:

[(1, 870836620), (2, 435418310), (4, 217709155), (5, 174167324), (10, 87083662), (20, 43541831), (107, 8138660), (214, 4069330), (229, 3802780), (428, 2034665), (458, 1901390), (535, 1627732), (916, 950695), (1070, 813866), (1145, 760556), (1777, 490060), (2140, 406933), (2290, 380278), (3554, 245030), (4580, 190139), (7108, 122515), (8885, 98012), (17770, 49006), (24503, 35540)]