256089470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{811}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 569673216

約数和(自身を除く): 313583746

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 347, 455, 694, 811, 910, 1622, 1735, 2429, 3470, 4055, 4511, 4858, 5677, 8110, 9022, 10543, 11354, 12145, 21086, 22555, 24290, 28385, 31577, 45110, 52715, 56770, 63154, 73801, 105430, 147602, 157885, 281417, 315770, 369005, 562834, 738010, 1407085, 1969919, 2814170, 3658421, 3939838, 7316842, 9849595, 18292105, 19699190, 25608947, 36584210, 51217894, 128044735, 256089470]

約数ペア:

[(1, 256089470), (2, 128044735), (5, 51217894), (7, 36584210), (10, 25608947), (13, 19699190), (14, 18292105), (26, 9849595), (35, 7316842), (65, 3939838), (70, 3658421), (91, 2814170), (130, 1969919), (182, 1407085), (347, 738010), (455, 562834), (694, 369005), (811, 315770), (910, 281417), (1622, 157885), (1735, 147602), (2429, 105430), (3470, 73801), (4055, 63154), (4511, 56770), (4858, 52715), (5677, 45110), (8110, 31577), (9022, 28385), (10543, 24290), (11354, 22555), (12145, 21086)]