9165940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 22982400

約数和(自身を除く): 13816460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 199, 235, 245, 329, 398, 470, 490, 658, 796, 940, 980, 995, 1316, 1393, 1645, 1990, 2303, 2786, 3290, 3980, 4606, 5572, 6580, 6965, 9212, 9353, 9751, 11515, 13930, 18706, 19502, 23030, 27860, 37412, 39004, 46060, 46765, 48755, 65471, 93530, 97510, 130942, 187060, 195020, 261884, 327355, 458297, 654710, 916594, 1309420, 1833188, 2291485, 4582970, 9165940]

約数ペア:

[(1, 9165940), (2, 4582970), (4, 2291485), (5, 1833188), (7, 1309420), (10, 916594), (14, 654710), (20, 458297), (28, 327355), (35, 261884), (47, 195020), (49, 187060), (70, 130942), (94, 97510), (98, 93530), (140, 65471), (188, 48755), (196, 46765), (199, 46060), (235, 39004), (245, 37412), (329, 27860), (398, 23030), (470, 19502), (490, 18706), (658, 13930), (796, 11515), (940, 9751), (980, 9353), (995, 9212), (1316, 6965), (1393, 6580), (1645, 5572), (1990, 4606), (2303, 3980), (2786, 3290)]