9813140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 21546000

約数和(自身を除く): 11732860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 149, 178, 185, 298, 356, 370, 445, 596, 740, 745, 890, 1490, 1780, 2980, 3293, 5513, 6586, 11026, 13172, 13261, 16465, 22052, 26522, 27565, 32930, 53044, 55130, 65860, 66305, 110260, 132610, 265220, 490657, 981314, 1962628, 2453285, 4906570, 9813140]

約数ペア:

[(1, 9813140), (2, 4906570), (4, 2453285), (5, 1962628), (10, 981314), (20, 490657), (37, 265220), (74, 132610), (89, 110260), (148, 66305), (149, 65860), (178, 55130), (185, 53044), (298, 32930), (356, 27565), (370, 26522), (445, 22052), (596, 16465), (740, 13261), (745, 13172), (890, 11026), (1490, 6586), (1780, 5513), (2980, 3293)]