164012860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20149}}^1$

素因数の和:20206

約数の個数: 48

約数和(自身を含む): 385912800

約数和(自身を除く): 221899940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 20149, 40298, 80596, 100745, 201490, 221639, 402980, 443278, 745513, 886556, 1108195, 1491026, 2216390, 2982052, 3727565, 4432780, 7455130, 8200643, 14910260, 16401286, 32802572, 41003215, 82006430, 164012860]

約数ペア:

[(1, 164012860), (2, 82006430), (4, 41003215), (5, 32802572), (10, 16401286), (11, 14910260), (20, 8200643), (22, 7455130), (37, 4432780), (44, 3727565), (55, 2982052), (74, 2216390), (110, 1491026), (148, 1108195), (185, 886556), (220, 745513), (370, 443278), (407, 402980), (740, 221639), (814, 201490), (1628, 100745), (2035, 80596), (4070, 40298), (8140, 20149)]