9915340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 22226400

約数和(自身を除く): 12311060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 269, 380, 388, 485, 538, 970, 1076, 1345, 1843, 1940, 2690, 3686, 5111, 5380, 7372, 9215, 10222, 18430, 20444, 25555, 26093, 36860, 51110, 52186, 102220, 104372, 130465, 260930, 495767, 521860, 991534, 1983068, 2478835, 4957670, 9915340]

約数ペア:

[(1, 9915340), (2, 4957670), (4, 2478835), (5, 1983068), (10, 991534), (19, 521860), (20, 495767), (38, 260930), (76, 130465), (95, 104372), (97, 102220), (190, 52186), (194, 51110), (269, 36860), (380, 26093), (388, 25555), (485, 20444), (538, 18430), (970, 10222), (1076, 9215), (1345, 7372), (1843, 5380), (1940, 5111), (2690, 3686)]