28950340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 33706940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 251, 292, 316, 365, 395, 502, 730, 790, 1004, 1255, 1460, 1580, 2510, 5020, 5767, 11534, 18323, 19829, 23068, 28835, 36646, 39658, 57670, 73292, 79316, 91615, 99145, 115340, 183230, 198290, 366460, 396580, 1447517, 2895034, 5790068, 7237585, 14475170, 28950340]

約数ペア:

[(1, 28950340), (2, 14475170), (4, 7237585), (5, 5790068), (10, 2895034), (20, 1447517), (73, 396580), (79, 366460), (146, 198290), (158, 183230), (251, 115340), (292, 99145), (316, 91615), (365, 79316), (395, 73292), (502, 57670), (730, 39658), (790, 36646), (1004, 28835), (1255, 23068), (1460, 19829), (1580, 18323), (2510, 11534), (5020, 5767)]