1264900

素因数分解:

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

素因数の和:173

約数の個数: 72

約数和(自身を含む): 3402560

約数和(自身を除く): 2137660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 139, 140, 175, 182, 260, 278, 325, 350, 364, 455, 556, 650, 695, 700, 910, 973, 1300, 1390, 1807, 1820, 1946, 2275, 2780, 3475, 3614, 3892, 4550, 4865, 6950, 7228, 9035, 9100, 9730, 12649, 13900, 18070, 19460, 24325, 25298, 36140, 45175, 48650, 50596, 63245, 90350, 97300, 126490, 180700, 252980, 316225, 632450, 1264900]

約数ペア:

[(1, 1264900), (2, 632450), (4, 316225), (5, 252980), (7, 180700), (10, 126490), (13, 97300), (14, 90350), (20, 63245), (25, 50596), (26, 48650), (28, 45175), (35, 36140), (50, 25298), (52, 24325), (65, 19460), (70, 18070), (91, 13900), (100, 12649), (130, 9730), (139, 9100), (140, 9035), (175, 7228), (182, 6950), (260, 4865), (278, 4550), (325, 3892), (350, 3614), (364, 3475), (455, 2780), (556, 2275), (650, 1946), (695, 1820), (700, 1807), (910, 1390), (973, 1300)]