207924440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2297}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 489749760

約数和(自身を除く): 281825320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 2263, 2297, 2920, 4526, 4594, 9052, 9188, 11315, 11485, 18104, 18376, 22630, 22970, 45260, 45940, 71207, 90520, 91880, 142414, 167681, 284828, 335362, 356035, 569656, 670724, 712070, 838405, 1341448, 1424140, 1676810, 2848280, 3353620, 5198111, 6707240, 10396222, 20792444, 25990555, 41584888, 51981110, 103962220, 207924440]

約数ペア:

[(1, 207924440), (2, 103962220), (4, 51981110), (5, 41584888), (8, 25990555), (10, 20792444), (20, 10396222), (31, 6707240), (40, 5198111), (62, 3353620), (73, 2848280), (124, 1676810), (146, 1424140), (155, 1341448), (248, 838405), (292, 712070), (310, 670724), (365, 569656), (584, 356035), (620, 335362), (730, 284828), (1240, 167681), (1460, 142414), (2263, 91880), (2297, 90520), (2920, 71207), (4526, 45940), (4594, 45260), (9052, 22970), (9188, 22630), (11315, 18376), (11485, 18104)]