218368340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3631}}^1$

素因数の和:3768

約数の個数: 48

約数和(自身を含む): 478377984

約数和(自身を除く): 260009644

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 3631, 6014, 7262, 12028, 14524, 15035, 18155, 30070, 36310, 60140, 72620, 112561, 225122, 352207, 450244, 562805, 704414, 1125610, 1408828, 1761035, 2251220, 3522070, 7044140, 10918417, 21836834, 43673668, 54592085, 109184170, 218368340]

約数ペア:

[(1, 218368340), (2, 109184170), (4, 54592085), (5, 43673668), (10, 21836834), (20, 10918417), (31, 7044140), (62, 3522070), (97, 2251220), (124, 1761035), (155, 1408828), (194, 1125610), (310, 704414), (388, 562805), (485, 450244), (620, 352207), (970, 225122), (1940, 112561), (3007, 72620), (3631, 60140), (6014, 36310), (7262, 30070), (12028, 18155), (14524, 15035)]