990629.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3617}}^1$

素因数の和:3658

約数の個数: 64

約数和(自身を含む): 78148800

約数和(自身を除く): 47910680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3617, 4180, 7234, 8360, 14468, 18085, 28936, 36170, 39787, 68723, 72340, 79574, 137446, 144680, 159148, 198935, 274892, 318296, 343615, 397870, 549784, 687230, 755953, 795740, 1374460, 1511906, 1591480, 2748920, 3023812, 3779765, 6047624, 7559530, 15119060, 30238120]

約数ペア:

[(1, 30238120), (2, 15119060), (4, 7559530), (5, 6047624), (8, 3779765), (10, 3023812), (11, 2748920), (19, 1591480), (20, 1511906), (22, 1374460), (38, 795740), (40, 755953), (44, 687230), (55, 549784), (76, 397870), (88, 343615), (95, 318296), (110, 274892), (152, 198935), (190, 159148), (209, 144680), (220, 137446), (380, 79574), (418, 72340), (440, 68723), (760, 39787), (836, 36170), (1045, 28936), (1672, 18085), (2090, 14468), (3617, 8360), (4180, 7234)]