168561820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{20407}}^1$

素因数の和:20482

約数の個数: 48

約数和(自身を含む): 411425280

約数和(自身を除く): 242863460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 20407, 40814, 81628, 102035, 142849, 204070, 285698, 408140, 571396, 714245, 1204013, 1428490, 2408026, 2856980, 4816052, 6020065, 8428091, 12040130, 16856182, 24080260, 33712364, 42140455, 84280910, 168561820]

約数ペア:

[(1, 168561820), (2, 84280910), (4, 42140455), (5, 33712364), (7, 24080260), (10, 16856182), (14, 12040130), (20, 8428091), (28, 6020065), (35, 4816052), (59, 2856980), (70, 2408026), (118, 1428490), (140, 1204013), (236, 714245), (295, 571396), (413, 408140), (590, 285698), (826, 204070), (1180, 142849), (1652, 102035), (2065, 81628), (4130, 40814), (8260, 20407)]