27442940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 68774832

約数和(自身を除く): 41331892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 683, 820, 980, 1148, 1366, 1435, 2009, 2732, 2870, 3415, 4018, 4781, 5740, 6830, 8036, 9562, 10045, 13660, 19124, 20090, 23905, 28003, 33467, 40180, 47810, 56006, 66934, 95620, 112012, 133868, 140015, 167335, 196021, 280030, 334670, 392042, 560060, 669340, 784084, 980105, 1372147, 1960210, 2744294, 3920420, 5488588, 6860735, 13721470, 27442940]

約数ペア:

[(1, 27442940), (2, 13721470), (4, 6860735), (5, 5488588), (7, 3920420), (10, 2744294), (14, 1960210), (20, 1372147), (28, 980105), (35, 784084), (41, 669340), (49, 560060), (70, 392042), (82, 334670), (98, 280030), (140, 196021), (164, 167335), (196, 140015), (205, 133868), (245, 112012), (287, 95620), (410, 66934), (490, 56006), (574, 47810), (683, 40180), (820, 33467), (980, 28003), (1148, 23905), (1366, 20090), (1435, 19124), (2009, 13660), (2732, 10045), (2870, 9562), (3415, 8036), (4018, 6830), (4781, 5740)]