12966380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 32232816

約数和(自身を除く): 19266436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 131, 140, 196, 202, 245, 262, 404, 490, 505, 524, 655, 707, 917, 980, 1010, 1310, 1414, 1834, 2020, 2620, 2828, 3535, 3668, 4585, 4949, 6419, 7070, 9170, 9898, 12838, 13231, 14140, 18340, 19796, 24745, 25676, 26462, 32095, 49490, 52924, 64190, 66155, 92617, 98980, 128380, 132310, 185234, 264620, 370468, 463085, 648319, 926170, 1296638, 1852340, 2593276, 3241595, 6483190, 12966380]

約数ペア:

[(1, 12966380), (2, 6483190), (4, 3241595), (5, 2593276), (7, 1852340), (10, 1296638), (14, 926170), (20, 648319), (28, 463085), (35, 370468), (49, 264620), (70, 185234), (98, 132310), (101, 128380), (131, 98980), (140, 92617), (196, 66155), (202, 64190), (245, 52924), (262, 49490), (404, 32095), (490, 26462), (505, 25676), (524, 24745), (655, 19796), (707, 18340), (917, 14140), (980, 13231), (1010, 12838), (1310, 9898), (1414, 9170), (1834, 7070), (2020, 6419), (2620, 4949), (2828, 4585), (3535, 3668)]