211091720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:823

約数の個数: 128

約数和(自身を含む): 584962560

約数和(自身を除く): 373870840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 238, 244, 280, 305, 340, 427, 476, 488, 595, 610, 680, 727, 854, 952, 1037, 1190, 1220, 1454, 1708, 2074, 2135, 2380, 2440, 2908, 3416, 3635, 4148, 4270, 4760, 5089, 5185, 5816, 7259, 7270, 8296, 8540, 10178, 10370, 12359, 14518, 14540, 17080, 20356, 20740, 24718, 25445, 29036, 29080, 36295, 40712, 41480, 44347, 49436, 50890, 58072, 61795, 72590, 86513, 88694, 98872, 101780, 123590, 145180, 173026, 177388, 203560, 221735, 247180, 290360, 310429, 346052, 354776, 432565, 443470, 494360, 620858, 692104, 753899, 865130, 886940, 1241716, 1507798, 1552145, 1730260, 1773880, 2483432, 3015596, 3104290, 3460520, 3769495, 5277293, 6031192, 6208580, 7538990, 10554586, 12417160, 15077980, 21109172, 26386465, 30155960, 42218344, 52772930, 105545860, 211091720]

約数ペア:

[(1, 211091720), (2, 105545860), (4, 52772930), (5, 42218344), (7, 30155960), (8, 26386465), (10, 21109172), (14, 15077980), (17, 12417160), (20, 10554586), (28, 7538990), (34, 6208580), (35, 6031192), (40, 5277293), (56, 3769495), (61, 3460520), (68, 3104290), (70, 3015596), (85, 2483432), (119, 1773880), (122, 1730260), (136, 1552145), (140, 1507798), (170, 1241716), (238, 886940), (244, 865130), (280, 753899), (305, 692104), (340, 620858), (427, 494360), (476, 443470), (488, 432565), (595, 354776), (610, 346052), (680, 310429), (727, 290360), (854, 247180), (952, 221735), (1037, 203560), (1190, 177388), (1220, 173026), (1454, 145180), (1708, 123590), (2074, 101780), (2135, 98872), (2380, 88694), (2440, 86513), (2908, 72590), (3416, 61795), (3635, 58072), (4148, 50890), (4270, 49436), (4760, 44347), (5089, 41480), (5185, 40712), (5816, 36295), (7259, 29080), (7270, 29036), (8296, 25445), (8540, 24718), (10178, 20740), (10370, 20356), (12359, 17080), (14518, 14540)]