205367020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1453}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 445552128

約数和(自身を除く): 240185108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 740, 764, 955, 1453, 1910, 2906, 3820, 5812, 7067, 7265, 14134, 14530, 28268, 29060, 35335, 53761, 70670, 107522, 141340, 215044, 268805, 277523, 537610, 555046, 1075220, 1110092, 1387615, 2775230, 5550460, 10268351, 20536702, 41073404, 51341755, 102683510, 205367020]

約数ペア:

[(1, 205367020), (2, 102683510), (4, 51341755), (5, 41073404), (10, 20536702), (20, 10268351), (37, 5550460), (74, 2775230), (148, 1387615), (185, 1110092), (191, 1075220), (370, 555046), (382, 537610), (740, 277523), (764, 268805), (955, 215044), (1453, 141340), (1910, 107522), (2906, 70670), (3820, 53761), (5812, 35335), (7067, 29060), (7265, 28268), (14134, 14530)]