1770860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 4692240

約数和(自身を除く): 2921380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 139, 140, 182, 196, 245, 260, 278, 364, 455, 490, 556, 637, 695, 910, 973, 980, 1274, 1390, 1807, 1820, 1946, 2548, 2780, 3185, 3614, 3892, 4865, 6370, 6811, 7228, 9035, 9730, 12649, 12740, 13622, 18070, 19460, 25298, 27244, 34055, 36140, 50596, 63245, 68110, 88543, 126490, 136220, 177086, 252980, 354172, 442715, 885430, 1770860]

約数ペア:

[(1, 1770860), (2, 885430), (4, 442715), (5, 354172), (7, 252980), (10, 177086), (13, 136220), (14, 126490), (20, 88543), (26, 68110), (28, 63245), (35, 50596), (49, 36140), (52, 34055), (65, 27244), (70, 25298), (91, 19460), (98, 18070), (130, 13622), (139, 12740), (140, 12649), (182, 9730), (196, 9035), (245, 7228), (260, 6811), (278, 6370), (364, 4865), (455, 3892), (490, 3614), (556, 3185), (637, 2780), (695, 2548), (910, 1946), (973, 1820), (980, 1807), (1274, 1390)]