138686870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 159911530

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 79, 155, 158, 217, 310, 395, 434, 553, 790, 809, 1085, 1106, 1618, 2170, 2449, 2765, 4045, 4898, 5530, 5663, 8090, 11326, 12245, 17143, 24490, 25079, 28315, 34286, 50158, 56630, 63911, 85715, 125395, 127822, 171430, 175553, 250790, 319555, 351106, 447377, 639110, 877765, 894754, 1755530, 1981241, 2236885, 3962482, 4473770, 9906205, 13868687, 19812410, 27737374, 69343435, 138686870]

約数ペア:

[(1, 138686870), (2, 69343435), (5, 27737374), (7, 19812410), (10, 13868687), (14, 9906205), (31, 4473770), (35, 3962482), (62, 2236885), (70, 1981241), (79, 1755530), (155, 894754), (158, 877765), (217, 639110), (310, 447377), (395, 351106), (434, 319555), (553, 250790), (790, 175553), (809, 171430), (1085, 127822), (1106, 125395), (1618, 85715), (2170, 63911), (2449, 56630), (2765, 50158), (4045, 34286), (4898, 28315), (5530, 25079), (5663, 24490), (8090, 17143), (11326, 12245)]