100870420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{102929}}^1$

素因数の和:102952

約数の個数: 36

約数和(自身を含む): 246414420

約数和(自身を除く): 145544000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 102929, 205858, 411716, 514645, 720503, 1029290, 1441006, 2058580, 2882012, 3602515, 5043521, 7205030, 10087042, 14410060, 20174084, 25217605, 50435210, 100870420]

約数ペア:

[(1, 100870420), (2, 50435210), (4, 25217605), (5, 20174084), (7, 14410060), (10, 10087042), (14, 7205030), (20, 5043521), (28, 3602515), (35, 2882012), (49, 2058580), (70, 1441006), (98, 1029290), (140, 720503), (196, 514645), (245, 411716), (490, 205858), (980, 102929)]