636702020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{13669}}^1$

素因数の和:13832

約数の個数: 48

約数和(自身を含む): 1426163760

約数和(自身を除く): 789461740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 2329, 2740, 4658, 9316, 11645, 13669, 23290, 27338, 46580, 54676, 68345, 136690, 232373, 273380, 464746, 929492, 1161865, 1872653, 2323730, 3745306, 4647460, 7490612, 9363265, 18726530, 31835101, 37453060, 63670202, 127340404, 159175505, 318351010, 636702020]

約数ペア:

[(1, 636702020), (2, 318351010), (4, 159175505), (5, 127340404), (10, 63670202), (17, 37453060), (20, 31835101), (34, 18726530), (68, 9363265), (85, 7490612), (137, 4647460), (170, 3745306), (274, 2323730), (340, 1872653), (548, 1161865), (685, 929492), (1370, 464746), (2329, 273380), (2740, 232373), (4658, 136690), (9316, 68345), (11645, 54676), (13669, 46580), (23290, 27338)]