25784500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 40259660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 125, 139, 140, 175, 212, 250, 265, 278, 350, 371, 500, 530, 556, 695, 700, 742, 875, 973, 1060, 1325, 1390, 1484, 1750, 1855, 1946, 2650, 2780, 3475, 3500, 3710, 3892, 4865, 5300, 6625, 6950, 7367, 7420, 9275, 9730, 13250, 13900, 14734, 17375, 18550, 19460, 24325, 26500, 29468, 34750, 36835, 37100, 46375, 48650, 51569, 69500, 73670, 92750, 97300, 103138, 121625, 147340, 184175, 185500, 206276, 243250, 257845, 368350, 486500, 515690, 736700, 920875, 1031380, 1289225, 1841750, 2578450, 3683500, 5156900, 6446125, 12892250, 25784500]

約数ペア:

[(1, 25784500), (2, 12892250), (4, 6446125), (5, 5156900), (7, 3683500), (10, 2578450), (14, 1841750), (20, 1289225), (25, 1031380), (28, 920875), (35, 736700), (50, 515690), (53, 486500), (70, 368350), (100, 257845), (106, 243250), (125, 206276), (139, 185500), (140, 184175), (175, 147340), (212, 121625), (250, 103138), (265, 97300), (278, 92750), (350, 73670), (371, 69500), (500, 51569), (530, 48650), (556, 46375), (695, 37100), (700, 36835), (742, 34750), (875, 29468), (973, 26500), (1060, 24325), (1325, 19460), (1390, 18550), (1484, 17375), (1750, 14734), (1855, 13900), (1946, 13250), (2650, 9730), (2780, 9275), (3475, 7420), (3500, 7367), (3710, 6950), (3892, 6625), (4865, 5300)]