17180380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 42977088

約数和(自身を除く): 25796708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 373, 470, 490, 658, 746, 940, 980, 1316, 1492, 1645, 1865, 2303, 2611, 3290, 3730, 4606, 5222, 6580, 7460, 9212, 10444, 11515, 13055, 17531, 18277, 23030, 26110, 35062, 36554, 46060, 52220, 70124, 73108, 87655, 91385, 122717, 175310, 182770, 245434, 350620, 365540, 490868, 613585, 859019, 1227170, 1718038, 2454340, 3436076, 4295095, 8590190, 17180380]

約数ペア:

[(1, 17180380), (2, 8590190), (4, 4295095), (5, 3436076), (7, 2454340), (10, 1718038), (14, 1227170), (20, 859019), (28, 613585), (35, 490868), (47, 365540), (49, 350620), (70, 245434), (94, 182770), (98, 175310), (140, 122717), (188, 91385), (196, 87655), (235, 73108), (245, 70124), (329, 52220), (373, 46060), (470, 36554), (490, 35062), (658, 26110), (746, 23030), (940, 18277), (980, 17531), (1316, 13055), (1492, 11515), (1645, 10444), (1865, 9212), (2303, 7460), (2611, 6580), (3290, 5222), (3730, 4606)]