7974260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 19918080

約数和(自身を除く): 11943820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 103, 140, 158, 196, 206, 245, 316, 395, 412, 490, 515, 553, 721, 790, 980, 1030, 1106, 1442, 1580, 2060, 2212, 2765, 2884, 3605, 3871, 5047, 5530, 7210, 7742, 8137, 10094, 11060, 14420, 15484, 16274, 19355, 20188, 25235, 32548, 38710, 40685, 50470, 56959, 77420, 81370, 100940, 113918, 162740, 227836, 284795, 398713, 569590, 797426, 1139180, 1594852, 1993565, 3987130, 7974260]

約数ペア:

[(1, 7974260), (2, 3987130), (4, 1993565), (5, 1594852), (7, 1139180), (10, 797426), (14, 569590), (20, 398713), (28, 284795), (35, 227836), (49, 162740), (70, 113918), (79, 100940), (98, 81370), (103, 77420), (140, 56959), (158, 50470), (196, 40685), (206, 38710), (245, 32548), (316, 25235), (395, 20188), (412, 19355), (490, 16274), (515, 15484), (553, 14420), (721, 11060), (790, 10094), (980, 8137), (1030, 7742), (1106, 7210), (1442, 5530), (1580, 5047), (2060, 3871), (2212, 3605), (2765, 2884)]