1771000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 128

約数和(自身を含む): 5391360

約数和(自身を除く): 3620360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 25, 28, 35, 40, 44, 46, 50, 55, 56, 70, 77, 88, 92, 100, 110, 115, 125, 140, 154, 161, 175, 184, 200, 220, 230, 250, 253, 275, 280, 308, 322, 350, 385, 440, 460, 500, 506, 550, 575, 616, 644, 700, 770, 805, 875, 920, 1000, 1012, 1100, 1150, 1265, 1288, 1375, 1400, 1540, 1610, 1750, 1771, 1925, 2024, 2200, 2300, 2530, 2750, 2875, 3080, 3220, 3500, 3542, 3850, 4025, 4600, 5060, 5500, 5750, 6325, 6440, 7000, 7084, 7700, 8050, 8855, 9625, 10120, 11000, 11500, 12650, 14168, 15400, 16100, 17710, 19250, 20125, 23000, 25300, 31625, 32200, 35420, 38500, 40250, 44275, 50600, 63250, 70840, 77000, 80500, 88550, 126500, 161000, 177100, 221375, 253000, 354200, 442750, 885500, 1771000]

約数ペア:

[(1, 1771000), (2, 885500), (4, 442750), (5, 354200), (7, 253000), (8, 221375), (10, 177100), (11, 161000), (14, 126500), (20, 88550), (22, 80500), (23, 77000), (25, 70840), (28, 63250), (35, 50600), (40, 44275), (44, 40250), (46, 38500), (50, 35420), (55, 32200), (56, 31625), (70, 25300), (77, 23000), (88, 20125), (92, 19250), (100, 17710), (110, 16100), (115, 15400), (125, 14168), (140, 12650), (154, 11500), (161, 11000), (175, 10120), (184, 9625), (200, 8855), (220, 8050), (230, 7700), (250, 7084), (253, 7000), (275, 6440), (280, 6325), (308, 5750), (322, 5500), (350, 5060), (385, 4600), (440, 4025), (460, 3850), (500, 3542), (506, 3500), (550, 3220), (575, 3080), (616, 2875), (644, 2750), (700, 2530), (770, 2300), (805, 2200), (875, 2024), (920, 1925), (1000, 1771), (1012, 1750), (1100, 1610), (1150, 1540), (1265, 1400), (1288, 1375)]