12483220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 14732780

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 149, 236, 284, 295, 298, 355, 590, 596, 710, 745, 1180, 1420, 1490, 2980, 4189, 8378, 8791, 10579, 16756, 17582, 20945, 21158, 35164, 41890, 42316, 43955, 52895, 83780, 87910, 105790, 175820, 211580, 624161, 1248322, 2496644, 3120805, 6241610, 12483220]

約数ペア:

[(1, 12483220), (2, 6241610), (4, 3120805), (5, 2496644), (10, 1248322), (20, 624161), (59, 211580), (71, 175820), (118, 105790), (142, 87910), (149, 83780), (236, 52895), (284, 43955), (295, 42316), (298, 41890), (355, 35164), (590, 21158), (596, 20945), (710, 17582), (745, 16756), (1180, 10579), (1420, 8791), (1490, 8378), (2980, 4189)]