78460760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40031}}^1$

素因数の和:40056

約数の個数: 48

約数和(自身を含む): 205364160

約数和(自身を除く): 126903400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40031, 80062, 160124, 200155, 280217, 320248, 400310, 560434, 800620, 1120868, 1401085, 1601240, 1961519, 2241736, 2802170, 3923038, 5604340, 7846076, 9807595, 11208680, 15692152, 19615190, 39230380, 78460760]

約数ペア:

[(1, 78460760), (2, 39230380), (4, 19615190), (5, 15692152), (7, 11208680), (8, 9807595), (10, 7846076), (14, 5604340), (20, 3923038), (28, 2802170), (35, 2241736), (40, 1961519), (49, 1601240), (56, 1401085), (70, 1120868), (98, 800620), (140, 560434), (196, 400310), (245, 320248), (280, 280217), (392, 200155), (490, 160124), (980, 80062), (1960, 40031)]