64666459100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{216493}}^1$

素因数の和:216639

約数の個数: 72

約数和(自身を含む): 146575097760

約数和(自身を除く): 81908638660

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 103, 116, 145, 206, 290, 412, 515, 580, 725, 1030, 1450, 2060, 2575, 2900, 2987, 5150, 5974, 10300, 11948, 14935, 29870, 59740, 74675, 149350, 216493, 298700, 432986, 865972, 1082465, 2164930, 4329860, 5412325, 6278297, 10824650, 12556594, 21649300, 22298779, 25113188, 31391485, 44597558, 62782970, 89195116, 111493895, 125565940, 156957425, 222987790, 313914850, 445975580, 557469475, 627829700, 646664591, 1114938950, 1293329182, 2229877900, 2586658364, 3233322955, 6466645910, 12933291820, 16166614775, 32333229550, 64666459100]

約数ペア:

[(1, 64666459100), (2, 32333229550), (4, 16166614775), (5, 12933291820), (10, 6466645910), (20, 3233322955), (25, 2586658364), (29, 2229877900), (50, 1293329182), (58, 1114938950), (100, 646664591), (103, 627829700), (116, 557469475), (145, 445975580), (206, 313914850), (290, 222987790), (412, 156957425), (515, 125565940), (580, 111493895), (725, 89195116), (1030, 62782970), (1450, 44597558), (2060, 31391485), (2575, 25113188), (2900, 22298779), (2987, 21649300), (5150, 12556594), (5974, 10824650), (10300, 6278297), (11948, 5412325), (14935, 4329860), (29870, 2164930), (59740, 1082465), (74675, 865972), (149350, 432986), (216493, 298700)]