280736484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{2141}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 765773568

約数和(自身を除く): 485037084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 223, 294, 446, 588, 669, 892, 1338, 1561, 2141, 2676, 3122, 4282, 4683, 6244, 6423, 8564, 9366, 10927, 12846, 14987, 18732, 21854, 25692, 29974, 32781, 43708, 44961, 59948, 65562, 89922, 104909, 131124, 179844, 209818, 314727, 419636, 477443, 629454, 954886, 1258908, 1432329, 1909772, 2864658, 3342101, 5729316, 6684202, 10026303, 13368404, 20052606, 23394707, 40105212, 46789414, 70184121, 93578828, 140368242, 280736484]

約数ペア:

[(1, 280736484), (2, 140368242), (3, 93578828), (4, 70184121), (6, 46789414), (7, 40105212), (12, 23394707), (14, 20052606), (21, 13368404), (28, 10026303), (42, 6684202), (49, 5729316), (84, 3342101), (98, 2864658), (147, 1909772), (196, 1432329), (223, 1258908), (294, 954886), (446, 629454), (588, 477443), (669, 419636), (892, 314727), (1338, 209818), (1561, 179844), (2141, 131124), (2676, 104909), (3122, 89922), (4282, 65562), (4683, 59948), (6244, 44961), (6423, 43708), (8564, 32781), (9366, 29974), (10927, 25692), (12846, 21854), (14987, 18732)]