1380793540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{19301}}^1$

素因数の和:19397

約数の個数: 72

約数和(自身を含む): 3419465112

約数和(自身を除く): 2038671572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3577, 5110, 7154, 10220, 14308, 17885, 19301, 35770, 38602, 71540, 77204, 96505, 135107, 193010, 270214, 386020, 540428, 675535, 945749, 1351070, 1408973, 1891498, 2702140, 2817946, 3782996, 4728745, 5635892, 7044865, 9457490, 9862811, 14089730, 18914980, 19725622, 28179460, 39451244, 49314055, 69039677, 98628110, 138079354, 197256220, 276158708, 345198385, 690396770, 1380793540]

約数ペア:

[(1, 1380793540), (2, 690396770), (4, 345198385), (5, 276158708), (7, 197256220), (10, 138079354), (14, 98628110), (20, 69039677), (28, 49314055), (35, 39451244), (49, 28179460), (70, 19725622), (73, 18914980), (98, 14089730), (140, 9862811), (146, 9457490), (196, 7044865), (245, 5635892), (292, 4728745), (365, 3782996), (490, 2817946), (511, 2702140), (730, 1891498), (980, 1408973), (1022, 1351070), (1460, 945749), (2044, 675535), (2555, 540428), (3577, 386020), (5110, 270214), (7154, 193010), (10220, 135107), (14308, 96505), (17885, 77204), (19301, 71540), (35770, 38602)]