1990934330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1097}}^1\times {\mathrm{2357}}^1$

素因数の和:3479

約数の個数: 64

約数和(自身を含む): 4473937152

約数和(自身を除く): 2483002822

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1097, 2194, 2357, 4714, 5485, 7679, 10970, 11785, 12067, 15358, 16499, 23570, 24134, 25927, 32998, 38395, 51854, 60335, 76790, 82495, 84469, 120670, 129635, 164990, 168938, 181489, 259270, 362978, 422345, 844690, 907445, 1814890, 2585629, 5171258, 12928145, 18099403, 25856290, 28441919, 36198806, 56883838, 90497015, 142209595, 180994030, 199093433, 284419190, 398186866, 995467165, 1990934330]

約数ペア:

[(1, 1990934330), (2, 995467165), (5, 398186866), (7, 284419190), (10, 199093433), (11, 180994030), (14, 142209595), (22, 90497015), (35, 56883838), (55, 36198806), (70, 28441919), (77, 25856290), (110, 18099403), (154, 12928145), (385, 5171258), (770, 2585629), (1097, 1814890), (2194, 907445), (2357, 844690), (4714, 422345), (5485, 362978), (7679, 259270), (10970, 181489), (11785, 168938), (12067, 164990), (15358, 129635), (16499, 120670), (23570, 84469), (24134, 82495), (25927, 76790), (32998, 60335), (38395, 51854)]