201941980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4273}}^1$

素因数の和:4438

約数の個数: 48

約数和(自身を含む): 452360160

約数和(自身を除く): 250418180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4273, 4726, 8546, 9452, 11815, 17092, 21365, 23630, 42730, 47260, 72641, 85460, 145282, 290564, 363205, 593947, 726410, 1187894, 1452820, 2375788, 2969735, 5939470, 10097099, 11878940, 20194198, 40388396, 50485495, 100970990, 201941980]

約数ペア:

[(1, 201941980), (2, 100970990), (4, 50485495), (5, 40388396), (10, 20194198), (17, 11878940), (20, 10097099), (34, 5939470), (68, 2969735), (85, 2375788), (139, 1452820), (170, 1187894), (278, 726410), (340, 593947), (556, 363205), (695, 290564), (1390, 145282), (2363, 85460), (2780, 72641), (4273, 47260), (4726, 42730), (8546, 23630), (9452, 21365), (11815, 17092)]