28112070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 77552640

約数和(自身を除く): 49440570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 263, 509, 526, 789, 1018, 1315, 1527, 1578, 1841, 2545, 2630, 3054, 3563, 3682, 3945, 5090, 5523, 7126, 7635, 7890, 9205, 10689, 11046, 15270, 17815, 18410, 21378, 27615, 35630, 53445, 55230, 106890, 133867, 267734, 401601, 669335, 803202, 937069, 1338670, 1874138, 2008005, 2811207, 4016010, 4685345, 5622414, 9370690, 14056035, 28112070]

約数ペア:

[(1, 28112070), (2, 14056035), (3, 9370690), (5, 5622414), (6, 4685345), (7, 4016010), (10, 2811207), (14, 2008005), (15, 1874138), (21, 1338670), (30, 937069), (35, 803202), (42, 669335), (70, 401601), (105, 267734), (210, 133867), (263, 106890), (509, 55230), (526, 53445), (789, 35630), (1018, 27615), (1315, 21378), (1527, 18410), (1578, 17815), (1841, 15270), (2545, 11046), (2630, 10689), (3054, 9205), (3563, 7890), (3682, 7635), (3945, 7126), (5090, 5523)]