74695820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 160194720

約数和(自身を除く): 85498900

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 194, 277, 278, 388, 485, 554, 556, 695, 970, 1108, 1385, 1390, 1940, 2770, 2780, 5540, 13483, 26869, 26966, 38503, 53738, 53932, 67415, 77006, 107476, 134345, 134830, 154012, 192515, 268690, 269660, 385030, 537380, 770060, 3734791, 7469582, 14939164, 18673955, 37347910, 74695820]

約数ペア:

[(1, 74695820), (2, 37347910), (4, 18673955), (5, 14939164), (10, 7469582), (20, 3734791), (97, 770060), (139, 537380), (194, 385030), (277, 269660), (278, 268690), (388, 192515), (485, 154012), (554, 134830), (556, 134345), (695, 107476), (970, 77006), (1108, 67415), (1385, 53932), (1390, 53738), (1940, 38503), (2770, 26966), (2780, 26869), (5540, 13483)]