89311780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2423}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 199543680

約数和(自身を除く): 110231900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 2423, 3686, 4846, 7372, 9215, 9692, 12115, 18430, 24230, 36860, 46037, 48460, 92074, 184148, 230185, 235031, 460370, 470062, 920740, 940124, 1175155, 2350310, 4465589, 4700620, 8931178, 17862356, 22327945, 44655890, 89311780]

約数ペア:

[(1, 89311780), (2, 44655890), (4, 22327945), (5, 17862356), (10, 8931178), (19, 4700620), (20, 4465589), (38, 2350310), (76, 1175155), (95, 940124), (97, 920740), (190, 470062), (194, 460370), (380, 235031), (388, 230185), (485, 184148), (970, 92074), (1843, 48460), (1940, 46037), (2423, 36860), (3686, 24230), (4846, 18430), (7372, 12115), (9215, 9692)]