2109557960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{7963}}^1$

素因数の和:8190

約数の個数: 64

約数和(自身を含む): 4902638400

約数和(自身を除く): 2793080440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 179, 185, 296, 358, 370, 716, 740, 895, 1432, 1480, 1790, 3580, 6623, 7160, 7963, 13246, 15926, 26492, 31852, 33115, 39815, 52984, 63704, 66230, 79630, 132460, 159260, 264920, 294631, 318520, 589262, 1178524, 1425377, 1473155, 2357048, 2850754, 2946310, 5701508, 5892620, 7126885, 11403016, 11785240, 14253770, 28507540, 52738949, 57015080, 105477898, 210955796, 263694745, 421911592, 527389490, 1054778980, 2109557960]

約数ペア:

[(1, 2109557960), (2, 1054778980), (4, 527389490), (5, 421911592), (8, 263694745), (10, 210955796), (20, 105477898), (37, 57015080), (40, 52738949), (74, 28507540), (148, 14253770), (179, 11785240), (185, 11403016), (296, 7126885), (358, 5892620), (370, 5701508), (716, 2946310), (740, 2850754), (895, 2357048), (1432, 1473155), (1480, 1425377), (1790, 1178524), (3580, 589262), (6623, 318520), (7160, 294631), (7963, 264920), (13246, 159260), (15926, 132460), (26492, 79630), (31852, 66230), (33115, 63704), (39815, 52984)]