12649000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 36691200

約数和(自身を除く): 24042200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 139, 140, 175, 182, 200, 250, 260, 278, 280, 325, 350, 364, 455, 500, 520, 556, 650, 695, 700, 728, 875, 910, 973, 1000, 1112, 1300, 1390, 1400, 1625, 1750, 1807, 1820, 1946, 2275, 2600, 2780, 3250, 3475, 3500, 3614, 3640, 3892, 4550, 4865, 5560, 6500, 6950, 7000, 7228, 7784, 9035, 9100, 9730, 11375, 12649, 13000, 13900, 14456, 17375, 18070, 18200, 19460, 22750, 24325, 25298, 27800, 34750, 36140, 38920, 45175, 45500, 48650, 50596, 63245, 69500, 72280, 90350, 91000, 97300, 101192, 121625, 126490, 139000, 180700, 194600, 225875, 243250, 252980, 316225, 361400, 451750, 486500, 505960, 632450, 903500, 973000, 1264900, 1581125, 1807000, 2529800, 3162250, 6324500, 12649000]

約数ペア:

[(1, 12649000), (2, 6324500), (4, 3162250), (5, 2529800), (7, 1807000), (8, 1581125), (10, 1264900), (13, 973000), (14, 903500), (20, 632450), (25, 505960), (26, 486500), (28, 451750), (35, 361400), (40, 316225), (50, 252980), (52, 243250), (56, 225875), (65, 194600), (70, 180700), (91, 139000), (100, 126490), (104, 121625), (125, 101192), (130, 97300), (139, 91000), (140, 90350), (175, 72280), (182, 69500), (200, 63245), (250, 50596), (260, 48650), (278, 45500), (280, 45175), (325, 38920), (350, 36140), (364, 34750), (455, 27800), (500, 25298), (520, 24325), (556, 22750), (650, 19460), (695, 18200), (700, 18070), (728, 17375), (875, 14456), (910, 13900), (973, 13000), (1000, 12649), (1112, 11375), (1300, 9730), (1390, 9100), (1400, 9035), (1625, 7784), (1750, 7228), (1807, 7000), (1820, 6950), (1946, 6500), (2275, 5560), (2600, 4865), (2780, 4550), (3250, 3892), (3475, 3640), (3500, 3614)]