66340340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1997}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 153062784

約数和(自身を除く): 86722444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 1997, 3020, 3322, 3994, 6644, 7988, 8305, 9985, 16610, 19970, 21967, 33220, 39940, 43934, 87868, 109835, 219670, 301547, 439340, 603094, 1206188, 1507735, 3015470, 3317017, 6030940, 6634034, 13268068, 16585085, 33170170, 66340340]

約数ペア:

[(1, 66340340), (2, 33170170), (4, 16585085), (5, 13268068), (10, 6634034), (11, 6030940), (20, 3317017), (22, 3015470), (44, 1507735), (55, 1206188), (110, 603094), (151, 439340), (220, 301547), (302, 219670), (604, 109835), (755, 87868), (1510, 43934), (1661, 39940), (1997, 33220), (3020, 21967), (3322, 19970), (3994, 16610), (6644, 9985), (7988, 8305)]