807545020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 1800712368

約数和(自身を除く): 993167348

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 841, 1171, 1189, 1682, 2342, 2378, 3364, 4205, 4684, 4756, 5855, 5945, 8410, 11710, 11890, 16820, 23420, 23780, 33959, 34481, 48011, 67918, 68962, 96022, 135836, 137924, 169795, 172405, 192044, 240055, 339590, 344810, 480110, 679180, 689620, 960220, 984811, 1392319, 1969622, 2784638, 3939244, 4924055, 5569276, 6961595, 9848110, 13923190, 19696220, 27846380, 40377251, 80754502, 161509004, 201886255, 403772510, 807545020]

約数ペア:

[(1, 807545020), (2, 403772510), (4, 201886255), (5, 161509004), (10, 80754502), (20, 40377251), (29, 27846380), (41, 19696220), (58, 13923190), (82, 9848110), (116, 6961595), (145, 5569276), (164, 4924055), (205, 3939244), (290, 2784638), (410, 1969622), (580, 1392319), (820, 984811), (841, 960220), (1171, 689620), (1189, 679180), (1682, 480110), (2342, 344810), (2378, 339590), (3364, 240055), (4205, 192044), (4684, 172405), (4756, 169795), (5855, 137924), (5945, 135836), (8410, 96022), (11710, 68962), (11890, 67918), (16820, 48011), (23420, 34481), (23780, 33959)]