161265400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47431}}^1$

素因数の和:47464

約数の個数: 48

約数和(自身を含む): 397005840

約数和(自身を除く): 235740440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 47431, 94862, 189724, 237155, 379448, 474310, 806327, 948620, 1185775, 1612654, 1897240, 2371550, 3225308, 4031635, 4743100, 6450616, 8063270, 9486200, 16126540, 20158175, 32253080, 40316350, 80632700, 161265400]

約数ペア:

[(1, 161265400), (2, 80632700), (4, 40316350), (5, 32253080), (8, 20158175), (10, 16126540), (17, 9486200), (20, 8063270), (25, 6450616), (34, 4743100), (40, 4031635), (50, 3225308), (68, 2371550), (85, 1897240), (100, 1612654), (136, 1185775), (170, 948620), (200, 806327), (340, 474310), (425, 379448), (680, 237155), (850, 189724), (1700, 94862), (3400, 47431)]