23177380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 51030000

約数和(自身を除く): 27852620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 449, 580, 890, 898, 1780, 1796, 2245, 2581, 4490, 5162, 8980, 10324, 12905, 13021, 25810, 26042, 39961, 51620, 52084, 65105, 79922, 130210, 159844, 199805, 260420, 399610, 799220, 1158869, 2317738, 4635476, 5794345, 11588690, 23177380]

約数ペア:

[(1, 23177380), (2, 11588690), (4, 5794345), (5, 4635476), (10, 2317738), (20, 1158869), (29, 799220), (58, 399610), (89, 260420), (116, 199805), (145, 159844), (178, 130210), (290, 79922), (356, 65105), (445, 52084), (449, 51620), (580, 39961), (890, 26042), (898, 25810), (1780, 13021), (1796, 12905), (2245, 10324), (2581, 8980), (4490, 5162)]