129219400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{6397}}^1$

素因数の和:6514

約数の個数: 48

約数和(自身を含む): 303457140

約数和(自身を除く): 174237740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 2020, 2525, 4040, 5050, 6397, 10100, 12794, 20200, 25588, 31985, 51176, 63970, 127940, 159925, 255880, 319850, 639700, 646097, 1279400, 1292194, 2584388, 3230485, 5168776, 6460970, 12921940, 16152425, 25843880, 32304850, 64609700, 129219400]

約数ペア:

[(1, 129219400), (2, 64609700), (4, 32304850), (5, 25843880), (8, 16152425), (10, 12921940), (20, 6460970), (25, 5168776), (40, 3230485), (50, 2584388), (100, 1292194), (101, 1279400), (200, 646097), (202, 639700), (404, 319850), (505, 255880), (808, 159925), (1010, 127940), (2020, 63970), (2525, 51176), (4040, 31985), (5050, 25588), (6397, 20200), (10100, 12794)]