12215210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 25941384

約数和(自身を除く): 13726174

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 97, 98, 194, 245, 257, 485, 490, 514, 679, 970, 1285, 1358, 1799, 2570, 3395, 3598, 4753, 6790, 8995, 9506, 12593, 17990, 23765, 24929, 25186, 47530, 49858, 62965, 124645, 125930, 174503, 249290, 349006, 872515, 1221521, 1745030, 2443042, 6107605, 12215210]

約数ペア:

[(1, 12215210), (2, 6107605), (5, 2443042), (7, 1745030), (10, 1221521), (14, 872515), (35, 349006), (49, 249290), (70, 174503), (97, 125930), (98, 124645), (194, 62965), (245, 49858), (257, 47530), (485, 25186), (490, 24929), (514, 23765), (679, 17990), (970, 12593), (1285, 9506), (1358, 8995), (1799, 6790), (2570, 4753), (3395, 3598)]