204073520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{364417}}^1$

素因数の和:364437

約数の個数: 40

約数和(自身を含む): 542253984

約数和(自身を除く): 338180464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 364417, 728834, 1457668, 1822085, 2550919, 2915336, 3644170, 5101838, 5830672, 7288340, 10203676, 12754595, 14576680, 20407352, 25509190, 29153360, 40814704, 51018380, 102036760, 204073520]

約数ペア:

[(1, 204073520), (2, 102036760), (4, 51018380), (5, 40814704), (7, 29153360), (8, 25509190), (10, 20407352), (14, 14576680), (16, 12754595), (20, 10203676), (28, 7288340), (35, 5830672), (40, 5101838), (56, 3644170), (70, 2915336), (80, 2550919), (112, 1822085), (140, 1457668), (280, 728834), (560, 364417)]