197363960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{50867}}^1$

素因数の和:50975

約数の個数: 32

約数和(自身を含む): 448655760

約数和(自身を除く): 251291800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 50867, 101734, 203468, 254335, 406936, 508670, 1017340, 2034680, 4934099, 9868198, 19736396, 24670495, 39472792, 49340990, 98681980, 197363960]

約数ペア:

[(1, 197363960), (2, 98681980), (4, 49340990), (5, 39472792), (8, 24670495), (10, 19736396), (20, 9868198), (40, 4934099), (97, 2034680), (194, 1017340), (388, 508670), (485, 406936), (776, 254335), (970, 203468), (1940, 101734), (3880, 50867)]