995448980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{7079}}^1$

素因数の和:7256

約数の個数: 48

約数和(自身を含む): 2140992000

約数和(自身を除く): 1145543020

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 356, 395, 445, 790, 890, 1580, 1780, 7031, 7079, 14062, 14158, 28124, 28316, 35155, 35395, 70310, 70790, 140620, 141580, 559241, 630031, 1118482, 1260062, 2236964, 2520124, 2796205, 3150155, 5592410, 6300310, 11184820, 12600620, 49772449, 99544898, 199089796, 248862245, 497724490, 995448980]

約数ペア:

[(1, 995448980), (2, 497724490), (4, 248862245), (5, 199089796), (10, 99544898), (20, 49772449), (79, 12600620), (89, 11184820), (158, 6300310), (178, 5592410), (316, 3150155), (356, 2796205), (395, 2520124), (445, 2236964), (790, 1260062), (890, 1118482), (1580, 630031), (1780, 559241), (7031, 141580), (7079, 140620), (14062, 70790), (14158, 70310), (28124, 35395), (28316, 35155)]