281002020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 192

約数和(自身を含む): 908436480

約数和(自身を除く): 627434460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 67, 76, 78, 95, 114, 130, 134, 156, 190, 195, 201, 228, 247, 260, 268, 283, 285, 335, 380, 390, 402, 494, 566, 570, 670, 741, 780, 804, 849, 871, 988, 1005, 1132, 1140, 1235, 1273, 1340, 1415, 1482, 1698, 1742, 2010, 2470, 2546, 2613, 2830, 2964, 3396, 3484, 3679, 3705, 3819, 4020, 4245, 4355, 4940, 5092, 5226, 5377, 5660, 6365, 7358, 7410, 7638, 8490, 8710, 10452, 10754, 11037, 12730, 13065, 14716, 14820, 15276, 16131, 16549, 16980, 17420, 18395, 18961, 19095, 21508, 22074, 25460, 26130, 26885, 32262, 33098, 36790, 37922, 38190, 44148, 49647, 52260, 53770, 55185, 56883, 64524, 66196, 69901, 73580, 75844, 76380, 80655, 82745, 94805, 99294, 107540, 110370, 113766, 139802, 161310, 165490, 189610, 198588, 209703, 220740, 227532, 246493, 248235, 279604, 284415, 322620, 330980, 349505, 360259, 379220, 419406, 492986, 496470, 568830, 699010, 720518, 739479, 838812, 985972, 992940, 1048515, 1080777, 1137660, 1232465, 1398020, 1441036, 1478958, 1801295, 2097030, 2161554, 2464930, 2957916, 3602590, 3697395, 4194060, 4323108, 4683367, 4929860, 5403885, 7205180, 7394790, 9366734, 10807770, 14050101, 14789580, 18733468, 21615540, 23416835, 28100202, 46833670, 56200404, 70250505, 93667340, 140501010, 281002020]

約数ペア:

[(1, 281002020), (2, 140501010), (3, 93667340), (4, 70250505), (5, 56200404), (6, 46833670), (10, 28100202), (12, 23416835), (13, 21615540), (15, 18733468), (19, 14789580), (20, 14050101), (26, 10807770), (30, 9366734), (38, 7394790), (39, 7205180), (52, 5403885), (57, 4929860), (60, 4683367), (65, 4323108), (67, 4194060), (76, 3697395), (78, 3602590), (95, 2957916), (114, 2464930), (130, 2161554), (134, 2097030), (156, 1801295), (190, 1478958), (195, 1441036), (201, 1398020), (228, 1232465), (247, 1137660), (260, 1080777), (268, 1048515), (283, 992940), (285, 985972), (335, 838812), (380, 739479), (390, 720518), (402, 699010), (494, 568830), (566, 496470), (570, 492986), (670, 419406), (741, 379220), (780, 360259), (804, 349505), (849, 330980), (871, 322620), (988, 284415), (1005, 279604), (1132, 248235), (1140, 246493), (1235, 227532), (1273, 220740), (1340, 209703), (1415, 198588), (1482, 189610), (1698, 165490), (1742, 161310), (2010, 139802), (2470, 113766), (2546, 110370), (2613, 107540), (2830, 99294), (2964, 94805), (3396, 82745), (3484, 80655), (3679, 76380), (3705, 75844), (3819, 73580), (4020, 69901), (4245, 66196), (4355, 64524), (4940, 56883), (5092, 55185), (5226, 53770), (5377, 52260), (5660, 49647), (6365, 44148), (7358, 38190), (7410, 37922), (7638, 36790), (8490, 33098), (8710, 32262), (10452, 26885), (10754, 26130), (11037, 25460), (12730, 22074), (13065, 21508), (14716, 19095), (14820, 18961), (15276, 18395), (16131, 17420), (16549, 16980)]