66742900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 108

約数和(自身を含む): 172324908

約数和(自身を除く): 105582008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 98, 100, 106, 140, 175, 196, 212, 245, 257, 265, 350, 371, 490, 514, 530, 700, 742, 980, 1028, 1060, 1225, 1285, 1325, 1484, 1799, 1855, 2450, 2570, 2597, 2650, 3598, 3710, 4900, 5140, 5194, 5300, 6425, 7196, 7420, 8995, 9275, 10388, 12593, 12850, 12985, 13621, 17990, 18550, 25186, 25700, 25970, 27242, 35980, 37100, 44975, 50372, 51940, 54484, 62965, 64925, 68105, 89950, 95347, 125930, 129850, 136210, 179900, 190694, 251860, 259700, 272420, 314825, 340525, 381388, 476735, 629650, 667429, 681050, 953470, 1259300, 1334858, 1362100, 1906940, 2383675, 2669716, 3337145, 4767350, 6674290, 9534700, 13348580, 16685725, 33371450, 66742900]

約数ペア:

[(1, 66742900), (2, 33371450), (4, 16685725), (5, 13348580), (7, 9534700), (10, 6674290), (14, 4767350), (20, 3337145), (25, 2669716), (28, 2383675), (35, 1906940), (49, 1362100), (50, 1334858), (53, 1259300), (70, 953470), (98, 681050), (100, 667429), (106, 629650), (140, 476735), (175, 381388), (196, 340525), (212, 314825), (245, 272420), (257, 259700), (265, 251860), (350, 190694), (371, 179900), (490, 136210), (514, 129850), (530, 125930), (700, 95347), (742, 89950), (980, 68105), (1028, 64925), (1060, 62965), (1225, 54484), (1285, 51940), (1325, 50372), (1484, 44975), (1799, 37100), (1855, 35980), (2450, 27242), (2570, 25970), (2597, 25700), (2650, 25186), (3598, 18550), (3710, 17990), (4900, 13621), (5140, 12985), (5194, 12850), (5300, 12593), (6425, 10388), (7196, 9275), (7420, 8995)]