257324480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{16411}}^1$

素因数の和:16442

約数の個数: 84

約数和(自身を含む): 712838808

約数和(自身を除く): 455514328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 16411, 32822, 65644, 82055, 114877, 131288, 164110, 229754, 262576, 328220, 459508, 525152, 574385, 656440, 804139, 919016, 1050304, 1148770, 1312880, 1608278, 1838032, 2297540, 2625760, 3216556, 3676064, 4020695, 4595080, 5251520, 6433112, 7352128, 8041390, 9190160, 12866224, 16082780, 18380320, 25732448, 32165560, 36760640, 51464896, 64331120, 128662240, 257324480]

約数ペア:

[(1, 257324480), (2, 128662240), (4, 64331120), (5, 51464896), (7, 36760640), (8, 32165560), (10, 25732448), (14, 18380320), (16, 16082780), (20, 12866224), (28, 9190160), (32, 8041390), (35, 7352128), (40, 6433112), (49, 5251520), (56, 4595080), (64, 4020695), (70, 3676064), (80, 3216556), (98, 2625760), (112, 2297540), (140, 1838032), (160, 1608278), (196, 1312880), (224, 1148770), (245, 1050304), (280, 919016), (320, 804139), (392, 656440), (448, 574385), (490, 525152), (560, 459508), (784, 328220), (980, 262576), (1120, 229754), (1568, 164110), (1960, 131288), (2240, 114877), (3136, 82055), (3920, 65644), (7840, 32822), (15680, 16411)]