138673290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{660349}}^1$

素因数の和:660366

約数の個数: 32

約数和(自身を含む): 380361600

約数和(自身を除く): 241688310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 660349, 1320698, 1981047, 3301745, 3962094, 4622443, 6603490, 9244886, 9905235, 13867329, 19810470, 23112215, 27734658, 46224430, 69336645, 138673290]

約数ペア:

[(1, 138673290), (2, 69336645), (3, 46224430), (5, 27734658), (6, 23112215), (7, 19810470), (10, 13867329), (14, 9905235), (15, 9244886), (21, 6603490), (30, 4622443), (35, 3962094), (42, 3301745), (70, 1981047), (105, 1320698), (210, 660349)]