381502170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2843}}^1$

素因数の和:2937

約数の個数: 128

約数和(自身を含む): 1179463680

約数和(自身を除く): 797961510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 630, 639, 710, 945, 994, 1065, 1278, 1491, 1890, 1917, 2130, 2485, 2843, 2982, 3195, 3834, 4473, 4970, 5686, 6390, 7455, 8529, 8946, 9585, 13419, 14215, 14910, 17058, 19170, 19901, 22365, 25587, 26838, 28430, 39802, 42645, 44730, 51174, 59703, 67095, 76761, 85290, 99505, 119406, 127935, 134190, 153522, 179109, 199010, 201853, 255870, 298515, 358218, 383805, 403706, 537327, 597030, 605559, 767610, 895545, 1009265, 1074654, 1211118, 1412971, 1791090, 1816677, 2018530, 2686635, 2825942, 3027795, 3633354, 4238913, 5373270, 5450031, 6055590, 7064855, 8477826, 9083385, 10900062, 12716739, 14129710, 18166770, 21194565, 25433478, 27250155, 38150217, 42389130, 54500310, 63583695, 76300434, 127167390, 190751085, 381502170]

約数ペア:

[(1, 381502170), (2, 190751085), (3, 127167390), (5, 76300434), (6, 63583695), (7, 54500310), (9, 42389130), (10, 38150217), (14, 27250155), (15, 25433478), (18, 21194565), (21, 18166770), (27, 14129710), (30, 12716739), (35, 10900062), (42, 9083385), (45, 8477826), (54, 7064855), (63, 6055590), (70, 5450031), (71, 5373270), (90, 4238913), (105, 3633354), (126, 3027795), (135, 2825942), (142, 2686635), (189, 2018530), (210, 1816677), (213, 1791090), (270, 1412971), (315, 1211118), (355, 1074654), (378, 1009265), (426, 895545), (497, 767610), (630, 605559), (639, 597030), (710, 537327), (945, 403706), (994, 383805), (1065, 358218), (1278, 298515), (1491, 255870), (1890, 201853), (1917, 199010), (2130, 179109), (2485, 153522), (2843, 134190), (2982, 127935), (3195, 119406), (3834, 99505), (4473, 85290), (4970, 76761), (5686, 67095), (6390, 59703), (7455, 51174), (8529, 44730), (8946, 42645), (9585, 39802), (13419, 28430), (14215, 26838), (14910, 25587), (17058, 22365), (19170, 19901)]