386438408080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1\times {\mathrm{95959}}^1$

素因数の和:96752

約数の個数: 80

約数和(自身を含む): 912418387200

約数和(自身を除く): 525979979120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 709, 710, 1136, 1418, 1420, 2836, 2840, 3545, 5672, 5680, 7090, 11344, 14180, 28360, 50339, 56720, 95959, 100678, 191918, 201356, 251695, 383836, 402712, 479795, 503390, 767672, 805424, 959590, 1006780, 1535344, 1919180, 2013560, 3838360, 4027120, 6813089, 7676720, 13626178, 27252356, 34065445, 54504712, 68034931, 68130890, 109009424, 136069862, 136261780, 272139724, 272523560, 340174655, 544279448, 545047120, 680349310, 1088558896, 1360698620, 2721397240, 4830480101, 5442794480, 9660960202, 19321920404, 24152400505, 38643840808, 48304801010, 77287681616, 96609602020, 193219204040, 386438408080]

約数ペア:

[(1, 386438408080), (2, 193219204040), (4, 96609602020), (5, 77287681616), (8, 48304801010), (10, 38643840808), (16, 24152400505), (20, 19321920404), (40, 9660960202), (71, 5442794480), (80, 4830480101), (142, 2721397240), (284, 1360698620), (355, 1088558896), (568, 680349310), (709, 545047120), (710, 544279448), (1136, 340174655), (1418, 272523560), (1420, 272139724), (2836, 136261780), (2840, 136069862), (3545, 109009424), (5672, 68130890), (5680, 68034931), (7090, 54504712), (11344, 34065445), (14180, 27252356), (28360, 13626178), (50339, 7676720), (56720, 6813089), (95959, 4027120), (100678, 3838360), (191918, 2013560), (201356, 1919180), (251695, 1535344), (383836, 1006780), (402712, 959590), (479795, 805424), (503390, 767672)]