2019693620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{351863}}^1$

素因数の和:351920

約数の個数: 48

約数和(自身を含む): 4965504768

約数和(自身を除く): 2945811148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 351863, 703726, 1407452, 1759315, 2463041, 3518630, 4926082, 7037260, 9852164, 12315205, 14426383, 24630410, 28852766, 49260820, 57705532, 72131915, 100984681, 144263830, 201969362, 288527660, 403938724, 504923405, 1009846810, 2019693620]

約数ペア:

[(1, 2019693620), (2, 1009846810), (4, 504923405), (5, 403938724), (7, 288527660), (10, 201969362), (14, 144263830), (20, 100984681), (28, 72131915), (35, 57705532), (41, 49260820), (70, 28852766), (82, 24630410), (140, 14426383), (164, 12315205), (205, 9852164), (287, 7037260), (410, 4926082), (574, 3518630), (820, 2463041), (1148, 1759315), (1435, 1407452), (2870, 703726), (5740, 351863)]