621529090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3467}}^1$

素因数の和:3691

約数の個数: 64

約数和(自身を含む): 1384314624

約数和(自身を除く): 762785534

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 197, 394, 455, 910, 985, 1379, 1970, 2561, 2758, 3467, 5122, 6895, 6934, 12805, 13790, 17335, 17927, 24269, 25610, 34670, 35854, 45071, 48538, 89635, 90142, 121345, 179270, 225355, 242690, 315497, 450710, 630994, 682999, 1365998, 1577485, 3154970, 3414995, 4780993, 6829990, 8878987, 9561986, 17757974, 23904965, 44394935, 47809930, 62152909, 88789870, 124305818, 310764545, 621529090]

約数ペア:

[(1, 621529090), (2, 310764545), (5, 124305818), (7, 88789870), (10, 62152909), (13, 47809930), (14, 44394935), (26, 23904965), (35, 17757974), (65, 9561986), (70, 8878987), (91, 6829990), (130, 4780993), (182, 3414995), (197, 3154970), (394, 1577485), (455, 1365998), (910, 682999), (985, 630994), (1379, 450710), (1970, 315497), (2561, 242690), (2758, 225355), (3467, 179270), (5122, 121345), (6895, 90142), (6934, 89635), (12805, 48538), (13790, 45071), (17335, 35854), (17927, 34670), (24269, 25610)]