161636860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{104959}}^1$

素因数の和:104986

約数の個数: 48

約数和(自身を含む): 423198720

約数和(自身を除く): 261561860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 104959, 209918, 419836, 524795, 734713, 1049590, 1154549, 1469426, 2099180, 2309098, 2938852, 3673565, 4618196, 5772745, 7347130, 8081843, 11545490, 14694260, 16163686, 23090980, 32327372, 40409215, 80818430, 161636860]

約数ペア:

[(1, 161636860), (2, 80818430), (4, 40409215), (5, 32327372), (7, 23090980), (10, 16163686), (11, 14694260), (14, 11545490), (20, 8081843), (22, 7347130), (28, 5772745), (35, 4618196), (44, 3673565), (55, 2938852), (70, 2309098), (77, 2099180), (110, 1469426), (140, 1154549), (154, 1049590), (220, 734713), (308, 524795), (385, 419836), (770, 209918), (1540, 104959)]