172038020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{15959}}^1$

素因数の和:15993

約数の個数: 72

約数和(自身を含む): 458498880

約数和(自身を除く): 286460860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 15959, 31918, 63836, 79795, 111713, 159590, 175549, 223426, 319180, 351098, 446852, 558565, 702196, 781991, 877745, 1117130, 1228843, 1563982, 1755490, 2234260, 2457686, 3127964, 3510980, 3909955, 4915372, 6144215, 7819910, 8601901, 12288430, 15639820, 17203802, 24576860, 34407604, 43009505, 86019010, 172038020]

約数ペア:

[(1, 172038020), (2, 86019010), (4, 43009505), (5, 34407604), (7, 24576860), (10, 17203802), (11, 15639820), (14, 12288430), (20, 8601901), (22, 7819910), (28, 6144215), (35, 4915372), (44, 3909955), (49, 3510980), (55, 3127964), (70, 2457686), (77, 2234260), (98, 1755490), (110, 1563982), (140, 1228843), (154, 1117130), (196, 877745), (220, 781991), (245, 702196), (308, 558565), (385, 446852), (490, 351098), (539, 319180), (770, 223426), (980, 175549), (1078, 159590), (1540, 111713), (2156, 79795), (2695, 63836), (5390, 31918), (10780, 15959)]