2173160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{449}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 5386500

約数和(自身を除く): 3213340

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 449, 484, 605, 898, 968, 1210, 1796, 2245, 2420, 3592, 4490, 4840, 4939, 8980, 9878, 17960, 19756, 24695, 39512, 49390, 54329, 98780, 108658, 197560, 217316, 271645, 434632, 543290, 1086580, 2173160]

約数ペア:

[(1, 2173160), (2, 1086580), (4, 543290), (5, 434632), (8, 271645), (10, 217316), (11, 197560), (20, 108658), (22, 98780), (40, 54329), (44, 49390), (55, 39512), (88, 24695), (110, 19756), (121, 17960), (220, 9878), (242, 8980), (440, 4939), (449, 4840), (484, 4490), (605, 3592), (898, 2420), (968, 2245), (1210, 1796)]