30781730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25867}}^1$

素因数の和:25898

約数の個数: 32

約数和(自身を含む): 67049856

約数和(自身を除く): 36268126

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 25867, 51734, 129335, 181069, 258670, 362138, 439739, 879478, 905345, 1810690, 2198695, 3078173, 4397390, 6156346, 15390865, 30781730]

約数ペア:

[(1, 30781730), (2, 15390865), (5, 6156346), (7, 4397390), (10, 3078173), (14, 2198695), (17, 1810690), (34, 905345), (35, 879478), (70, 439739), (85, 362138), (119, 258670), (170, 181069), (238, 129335), (595, 51734), (1190, 25867)]