989821140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19477}}^1$

素因数の和:19518

約数の個数: 144

約数和(自身を含む): 3481731456

約数和(自身を除く): 2491910316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 5082, 7260, 8470, 10164, 12705, 16940, 19477, 25410, 38954, 50820, 58431, 77908, 97385, 116862, 136339, 194770, 214247, 233724, 272678, 292155, 389540, 409017, 428494, 545356, 584310, 642741, 681695, 818034, 856988, 1071235, 1168620, 1285482, 1363390, 1499729, 1636068, 2045085, 2142470, 2356717, 2570964, 2726780, 2999458, 3213705, 4090170, 4284940, 4499187, 4713434, 5998916, 6427410, 7070151, 7498645, 8180340, 8998374, 9426868, 11783585, 12854820, 14140302, 14997290, 16497019, 17996748, 22495935, 23567170, 28280604, 29994580, 32994038, 35350755, 44991870, 47134340, 49491057, 65988076, 70701510, 82485095, 89983740, 98982114, 141403020, 164970190, 197964228, 247455285, 329940380, 494910570, 989821140]

約数ペア:

[(1, 989821140), (2, 494910570), (3, 329940380), (4, 247455285), (5, 197964228), (6, 164970190), (7, 141403020), (10, 98982114), (11, 89983740), (12, 82485095), (14, 70701510), (15, 65988076), (20, 49491057), (21, 47134340), (22, 44991870), (28, 35350755), (30, 32994038), (33, 29994580), (35, 28280604), (42, 23567170), (44, 22495935), (55, 17996748), (60, 16497019), (66, 14997290), (70, 14140302), (77, 12854820), (84, 11783585), (105, 9426868), (110, 8998374), (121, 8180340), (132, 7498645), (140, 7070151), (154, 6427410), (165, 5998916), (210, 4713434), (220, 4499187), (231, 4284940), (242, 4090170), (308, 3213705), (330, 2999458), (363, 2726780), (385, 2570964), (420, 2356717), (462, 2142470), (484, 2045085), (605, 1636068), (660, 1499729), (726, 1363390), (770, 1285482), (847, 1168620), (924, 1071235), (1155, 856988), (1210, 818034), (1452, 681695), (1540, 642741), (1694, 584310), (1815, 545356), (2310, 428494), (2420, 409017), (2541, 389540), (3388, 292155), (3630, 272678), (4235, 233724), (4620, 214247), (5082, 194770), (7260, 136339), (8470, 116862), (10164, 97385), (12705, 77908), (16940, 58431), (19477, 50820), (25410, 38954)]