201456860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24749}}^1$

素因数の和:24806

約数の個数: 48

約数和(自身を含む): 474012000

約数和(自身を除く): 272555140

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, 24749, 49498, 98996, 123745, 247490, 272239, 494980, 544478, 915713, 1088956, 1361195, 1831426, 2722390, 3662852, 4578565, 5444780, 9157130, 10072843, 18314260, 20145686, 40291372, 50364215, 100728430, 201456860]

約数ペア:

[(1, 201456860), (2, 100728430), (4, 50364215), (5, 40291372), (10, 20145686), (11, 18314260), (20, 10072843), (22, 9157130), (37, 5444780), (44, 4578565), (55, 3662852), (74, 2722390), (110, 1831426), (148, 1361195), (185, 1088956), (220, 915713), (370, 544478), (407, 494980), (740, 272239), (814, 247490), (1628, 123745), (2035, 98996), (4070, 49498), (8140, 24749)]