330820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 846720

約数和(自身を除く): 515900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 139, 140, 170, 238, 278, 340, 476, 556, 595, 695, 973, 1190, 1390, 1946, 2363, 2380, 2780, 3892, 4726, 4865, 9452, 9730, 11815, 16541, 19460, 23630, 33082, 47260, 66164, 82705, 165410, 330820]

約数ペア:

[(1, 330820), (2, 165410), (4, 82705), (5, 66164), (7, 47260), (10, 33082), (14, 23630), (17, 19460), (20, 16541), (28, 11815), (34, 9730), (35, 9452), (68, 4865), (70, 4726), (85, 3892), (119, 2780), (139, 2380), (140, 2363), (170, 1946), (238, 1390), (278, 1190), (340, 973), (476, 695), (556, 595)]