280180454420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{11782189}}^1$

素因数の和:11782268

約数の個数: 48

約数和(自身を含む): 623513494800

約数和(自身を除く): 343333040380

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 23780, 11782189, 23564378, 47128756, 58910945, 117821890, 235643780, 341683481, 483069749, 683366962, 966139498, 1366733924, 1708417405, 1932278996, 2415348745, 3416834810, 4830697490, 6833669620, 9661394980, 14009022721, 28018045442, 56036090884, 70045113605, 140090227210, 280180454420]

約数ペア:

[(1, 280180454420), (2, 140090227210), (4, 70045113605), (5, 56036090884), (10, 28018045442), (20, 14009022721), (29, 9661394980), (41, 6833669620), (58, 4830697490), (82, 3416834810), (116, 2415348745), (145, 1932278996), (164, 1708417405), (205, 1366733924), (290, 966139498), (410, 683366962), (580, 483069749), (820, 341683481), (1189, 235643780), (2378, 117821890), (4756, 58910945), (5945, 47128756), (11890, 23564378), (23780, 11782189)]