1212860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 2872800

約数和(自身を除く): 1659940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 149, 185, 220, 298, 370, 407, 596, 740, 745, 814, 1490, 1628, 1639, 2035, 2980, 3278, 4070, 5513, 6556, 8140, 8195, 11026, 16390, 22052, 27565, 32780, 55130, 60643, 110260, 121286, 242572, 303215, 606430, 1212860]

約数ペア:

[(1, 1212860), (2, 606430), (4, 303215), (5, 242572), (10, 121286), (11, 110260), (20, 60643), (22, 55130), (37, 32780), (44, 27565), (55, 22052), (74, 16390), (110, 11026), (148, 8195), (149, 8140), (185, 6556), (220, 5513), (298, 4070), (370, 3278), (407, 2980), (596, 2035), (740, 1639), (745, 1628), (814, 1490)]