20101804100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4102409}}^1$

素因数の和:4102437

約数の個数: 54

約数和(自身を含む): 50742709290

約数和(自身を除く): 30640905190

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 4102409, 8204818, 16409636, 20512045, 28716863, 41024090, 57433726, 82048180, 102560225, 114867452, 143584315, 201018041, 205120450, 287168630, 402036082, 410240900, 574337260, 717921575, 804072164, 1005090205, 1435843150, 2010180410, 2871686300, 4020360820, 5025451025, 10050902050, 20101804100]

約数ペア:

[(1, 20101804100), (2, 10050902050), (4, 5025451025), (5, 4020360820), (7, 2871686300), (10, 2010180410), (14, 1435843150), (20, 1005090205), (25, 804072164), (28, 717921575), (35, 574337260), (49, 410240900), (50, 402036082), (70, 287168630), (98, 205120450), (100, 201018041), (140, 143584315), (175, 114867452), (196, 102560225), (245, 82048180), (350, 57433726), (490, 41024090), (700, 28716863), (980, 20512045), (1225, 16409636), (2450, 8204818), (4900, 4102409)]