87000100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 207799200

約数和(自身を除く): 120799100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 550, 556, 569, 695, 1100, 1138, 1390, 1529, 2276, 2780, 2845, 3058, 3475, 5690, 6116, 6259, 6950, 7645, 11380, 12518, 13900, 14225, 15290, 25036, 28450, 30580, 31295, 38225, 56900, 62590, 76450, 79091, 125180, 152900, 156475, 158182, 312950, 316364, 395455, 625900, 790910, 870001, 1581820, 1740002, 1977275, 3480004, 3954550, 4350005, 7909100, 8700010, 17400020, 21750025, 43500050, 87000100]

約数ペア:

[(1, 87000100), (2, 43500050), (4, 21750025), (5, 17400020), (10, 8700010), (11, 7909100), (20, 4350005), (22, 3954550), (25, 3480004), (44, 1977275), (50, 1740002), (55, 1581820), (100, 870001), (110, 790910), (139, 625900), (220, 395455), (275, 316364), (278, 312950), (550, 158182), (556, 156475), (569, 152900), (695, 125180), (1100, 79091), (1138, 76450), (1390, 62590), (1529, 56900), (2276, 38225), (2780, 31295), (2845, 30580), (3058, 28450), (3475, 25036), (5690, 15290), (6116, 14225), (6259, 13900), (6950, 12518), (7645, 11380)]