838895960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:937

約数の個数: 128

約数和(自身を含む): 2247229440

約数和(自身を除く): 1408333480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 127, 140, 155, 217, 248, 254, 280, 310, 434, 508, 620, 635, 761, 868, 889, 1016, 1085, 1240, 1270, 1522, 1736, 1778, 2170, 2540, 3044, 3556, 3805, 3937, 4340, 4445, 5080, 5327, 6088, 7112, 7610, 7874, 8680, 8890, 10654, 15220, 15748, 17780, 19685, 21308, 23591, 26635, 27559, 30440, 31496, 35560, 39370, 42616, 47182, 53270, 55118, 78740, 94364, 96647, 106540, 110236, 117955, 137795, 157480, 165137, 188728, 193294, 213080, 220472, 235910, 275590, 330274, 386588, 471820, 483235, 551180, 660548, 676529, 773176, 825685, 943640, 966470, 1102360, 1321096, 1353058, 1651370, 1932940, 2706116, 2996057, 3302740, 3382645, 3865880, 5412232, 5992114, 6605480, 6765290, 11984228, 13530580, 14980285, 20972399, 23968456, 27061160, 29960570, 41944798, 59921140, 83889596, 104861995, 119842280, 167779192, 209723990, 419447980, 838895960]

約数ペア:

[(1, 838895960), (2, 419447980), (4, 209723990), (5, 167779192), (7, 119842280), (8, 104861995), (10, 83889596), (14, 59921140), (20, 41944798), (28, 29960570), (31, 27061160), (35, 23968456), (40, 20972399), (56, 14980285), (62, 13530580), (70, 11984228), (124, 6765290), (127, 6605480), (140, 5992114), (155, 5412232), (217, 3865880), (248, 3382645), (254, 3302740), (280, 2996057), (310, 2706116), (434, 1932940), (508, 1651370), (620, 1353058), (635, 1321096), (761, 1102360), (868, 966470), (889, 943640), (1016, 825685), (1085, 773176), (1240, 676529), (1270, 660548), (1522, 551180), (1736, 483235), (1778, 471820), (2170, 386588), (2540, 330274), (3044, 275590), (3556, 235910), (3805, 220472), (3937, 213080), (4340, 193294), (4445, 188728), (5080, 165137), (5327, 157480), (6088, 137795), (7112, 117955), (7610, 110236), (7874, 106540), (8680, 96647), (8890, 94364), (10654, 78740), (15220, 55118), (15748, 53270), (17780, 47182), (19685, 42616), (21308, 39370), (23591, 35560), (26635, 31496), (27559, 30440)]