90365740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{449}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 197316000

約数和(自身を除く): 106950260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 347, 449, 580, 694, 898, 1388, 1735, 1796, 2245, 3470, 4490, 6940, 8980, 10063, 13021, 20126, 26042, 40252, 50315, 52084, 65105, 100630, 130210, 155803, 201260, 260420, 311606, 623212, 779015, 1558030, 3116060, 4518287, 9036574, 18073148, 22591435, 45182870, 90365740]

約数ペア:

[(1, 90365740), (2, 45182870), (4, 22591435), (5, 18073148), (10, 9036574), (20, 4518287), (29, 3116060), (58, 1558030), (116, 779015), (145, 623212), (290, 311606), (347, 260420), (449, 201260), (580, 155803), (694, 130210), (898, 100630), (1388, 65105), (1735, 52084), (1796, 50315), (2245, 40252), (3470, 26042), (4490, 20126), (6940, 13021), (8980, 10063)]