77492680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 101355320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 137, 158, 179, 274, 316, 358, 395, 548, 632, 685, 716, 790, 895, 1096, 1370, 1432, 1580, 1790, 2740, 3160, 3580, 5480, 7160, 10823, 14141, 21646, 24523, 28282, 43292, 49046, 54115, 56564, 70705, 86584, 98092, 108230, 113128, 122615, 141410, 196184, 216460, 245230, 282820, 432920, 490460, 565640, 980920, 1937317, 3874634, 7749268, 9686585, 15498536, 19373170, 38746340, 77492680]

約数ペア:

[(1, 77492680), (2, 38746340), (4, 19373170), (5, 15498536), (8, 9686585), (10, 7749268), (20, 3874634), (40, 1937317), (79, 980920), (137, 565640), (158, 490460), (179, 432920), (274, 282820), (316, 245230), (358, 216460), (395, 196184), (548, 141410), (632, 122615), (685, 113128), (716, 108230), (790, 98092), (895, 86584), (1096, 70705), (1370, 56564), (1432, 54115), (1580, 49046), (1790, 43292), (2740, 28282), (3160, 24523), (3580, 21646), (5480, 14141), (7160, 10823)]