90760100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21107}}^1$

素因数の和:21164

約数の個数: 36

約数和(自身を含む): 201539184

約数和(自身を除く): 110779084

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 21107, 42214, 84428, 105535, 211070, 422140, 527675, 907601, 1055350, 1815202, 2110700, 3630404, 4538005, 9076010, 18152020, 22690025, 45380050, 90760100]

約数ペア:

[(1, 90760100), (2, 45380050), (4, 22690025), (5, 18152020), (10, 9076010), (20, 4538005), (25, 3630404), (43, 2110700), (50, 1815202), (86, 1055350), (100, 907601), (172, 527675), (215, 422140), (430, 211070), (860, 105535), (1075, 84428), (2150, 42214), (4300, 21107)]