40405428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1597

約数の個数: 72

約数和(自身を含む): 117877760

約数和(自身を除く): 77472332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 763, 981, 1308, 1471, 1526, 1962, 2289, 2942, 3052, 3924, 4413, 4578, 5884, 6867, 8826, 9156, 10297, 13239, 13734, 17652, 20594, 26478, 27468, 30891, 41188, 52956, 61782, 92673, 123564, 160339, 185346, 320678, 370692, 481017, 641356, 962034, 1122373, 1443051, 1924068, 2244746, 2886102, 3367119, 4489492, 5772204, 6734238, 10101357, 13468476, 20202714, 40405428]

約数ペア:

[(1, 40405428), (2, 20202714), (3, 13468476), (4, 10101357), (6, 6734238), (7, 5772204), (9, 4489492), (12, 3367119), (14, 2886102), (18, 2244746), (21, 1924068), (28, 1443051), (36, 1122373), (42, 962034), (63, 641356), (84, 481017), (109, 370692), (126, 320678), (218, 185346), (252, 160339), (327, 123564), (436, 92673), (654, 61782), (763, 52956), (981, 41188), (1308, 30891), (1471, 27468), (1526, 26478), (1962, 20594), (2289, 17652), (2942, 13734), (3052, 13239), (3924, 10297), (4413, 9156), (4578, 8826), (5884, 6867)]