123628780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4973}}^1$

素因数の和:5106

約数の個数: 48

約数和(自身を含む): 285786144

約数和(自身を除く): 162157364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 4973, 6215, 9946, 12430, 19892, 24860, 24865, 49730, 54703, 99460, 109406, 218812, 273515, 547030, 561949, 1094060, 1123898, 2247796, 2809745, 5619490, 6181439, 11238980, 12362878, 24725756, 30907195, 61814390, 123628780]

約数ペア:

[(1, 123628780), (2, 61814390), (4, 30907195), (5, 24725756), (10, 12362878), (11, 11238980), (20, 6181439), (22, 5619490), (44, 2809745), (55, 2247796), (110, 1123898), (113, 1094060), (220, 561949), (226, 547030), (452, 273515), (565, 218812), (1130, 109406), (1243, 99460), (2260, 54703), (2486, 49730), (4972, 24865), (4973, 24860), (6215, 19892), (9946, 12430)]