154438900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 431972352

約数和(自身を除く): 277533452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 175, 217, 220, 275, 308, 310, 341, 350, 385, 434, 550, 620, 647, 682, 700, 770, 775, 868, 1085, 1100, 1294, 1364, 1540, 1550, 1705, 1925, 2170, 2387, 2588, 3100, 3235, 3410, 3850, 4340, 4529, 4774, 5425, 6470, 6820, 7117, 7700, 8525, 9058, 9548, 10850, 11935, 12940, 14234, 16175, 17050, 18116, 20057, 21700, 22645, 23870, 28468, 32350, 34100, 35585, 40114, 45290, 47740, 49819, 59675, 64700, 71170, 80228, 90580, 99638, 100285, 113225, 119350, 140399, 142340, 177925, 199276, 200570, 220627, 226450, 238700, 249095, 280798, 355850, 401140, 441254, 452900, 498190, 501425, 561596, 701995, 711700, 882508, 996380, 1002850, 1103135, 1245475, 1403990, 1544389, 2005700, 2206270, 2490950, 2807980, 3088778, 3509975, 4412540, 4981900, 5515675, 6177556, 7019950, 7721945, 11031350, 14039900, 15443890, 22062700, 30887780, 38609725, 77219450, 154438900]

約数ペア:

[(1, 154438900), (2, 77219450), (4, 38609725), (5, 30887780), (7, 22062700), (10, 15443890), (11, 14039900), (14, 11031350), (20, 7721945), (22, 7019950), (25, 6177556), (28, 5515675), (31, 4981900), (35, 4412540), (44, 3509975), (50, 3088778), (55, 2807980), (62, 2490950), (70, 2206270), (77, 2005700), (100, 1544389), (110, 1403990), (124, 1245475), (140, 1103135), (154, 1002850), (155, 996380), (175, 882508), (217, 711700), (220, 701995), (275, 561596), (308, 501425), (310, 498190), (341, 452900), (350, 441254), (385, 401140), (434, 355850), (550, 280798), (620, 249095), (647, 238700), (682, 226450), (700, 220627), (770, 200570), (775, 199276), (868, 177925), (1085, 142340), (1100, 140399), (1294, 119350), (1364, 113225), (1540, 100285), (1550, 99638), (1705, 90580), (1925, 80228), (2170, 71170), (2387, 64700), (2588, 59675), (3100, 49819), (3235, 47740), (3410, 45290), (3850, 40114), (4340, 35585), (4529, 34100), (4774, 32350), (5425, 28468), (6470, 23870), (6820, 22645), (7117, 21700), (7700, 20057), (8525, 18116), (9058, 17050), (9548, 16175), (10850, 14234), (11935, 12940)]