8897000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 128

約数和(自身を含む): 25159680

約数和(自身を除く): 16262680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 41, 50, 56, 62, 70, 82, 100, 124, 125, 140, 155, 164, 175, 200, 205, 217, 248, 250, 280, 287, 310, 328, 350, 410, 434, 500, 574, 620, 700, 775, 820, 868, 875, 1000, 1025, 1085, 1148, 1240, 1271, 1400, 1435, 1550, 1640, 1736, 1750, 2050, 2170, 2296, 2542, 2870, 3100, 3500, 3875, 4100, 4340, 5084, 5125, 5425, 5740, 6200, 6355, 7000, 7175, 7750, 8200, 8680, 8897, 10168, 10250, 10850, 11480, 12710, 14350, 15500, 17794, 20500, 21700, 25420, 27125, 28700, 31000, 31775, 35588, 35875, 41000, 43400, 44485, 50840, 54250, 57400, 63550, 71176, 71750, 88970, 108500, 127100, 143500, 158875, 177940, 217000, 222425, 254200, 287000, 317750, 355880, 444850, 635500, 889700, 1112125, 1271000, 1779400, 2224250, 4448500, 8897000]

約数ペア:

[(1, 8897000), (2, 4448500), (4, 2224250), (5, 1779400), (7, 1271000), (8, 1112125), (10, 889700), (14, 635500), (20, 444850), (25, 355880), (28, 317750), (31, 287000), (35, 254200), (40, 222425), (41, 217000), (50, 177940), (56, 158875), (62, 143500), (70, 127100), (82, 108500), (100, 88970), (124, 71750), (125, 71176), (140, 63550), (155, 57400), (164, 54250), (175, 50840), (200, 44485), (205, 43400), (217, 41000), (248, 35875), (250, 35588), (280, 31775), (287, 31000), (310, 28700), (328, 27125), (350, 25420), (410, 21700), (434, 20500), (500, 17794), (574, 15500), (620, 14350), (700, 12710), (775, 11480), (820, 10850), (868, 10250), (875, 10168), (1000, 8897), (1025, 8680), (1085, 8200), (1148, 7750), (1240, 7175), (1271, 7000), (1400, 6355), (1435, 6200), (1550, 5740), (1640, 5425), (1736, 5125), (1750, 5084), (2050, 4340), (2170, 4100), (2296, 3875), (2542, 3500), (2870, 3100)]