30692540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 66860640

約数和(自身を除く): 36168100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 401, 430, 445, 802, 860, 890, 1604, 1780, 2005, 3827, 4010, 7654, 8020, 15308, 17243, 19135, 34486, 35689, 38270, 68972, 71378, 76540, 86215, 142756, 172430, 178445, 344860, 356890, 713780, 1534627, 3069254, 6138508, 7673135, 15346270, 30692540]

約数ペア:

[(1, 30692540), (2, 15346270), (4, 7673135), (5, 6138508), (10, 3069254), (20, 1534627), (43, 713780), (86, 356890), (89, 344860), (172, 178445), (178, 172430), (215, 142756), (356, 86215), (401, 76540), (430, 71378), (445, 68972), (802, 38270), (860, 35689), (890, 34486), (1604, 19135), (1780, 17243), (2005, 15308), (3827, 8020), (4010, 7654)]