209749740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 667699200

約数和(自身を除く): 457949460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 79, 85, 95, 102, 114, 137, 158, 170, 190, 204, 228, 237, 255, 274, 285, 316, 323, 340, 380, 395, 411, 474, 510, 548, 570, 646, 685, 790, 822, 948, 969, 1020, 1140, 1185, 1292, 1343, 1370, 1501, 1580, 1615, 1644, 1938, 2055, 2329, 2370, 2603, 2686, 2740, 3002, 3230, 3876, 4029, 4110, 4503, 4658, 4740, 4845, 5206, 5372, 6004, 6460, 6715, 6987, 7505, 7809, 8058, 8220, 9006, 9316, 9690, 10412, 10823, 11645, 13015, 13430, 13974, 15010, 15618, 16116, 18012, 19380, 20145, 21646, 22515, 23290, 25517, 26030, 26860, 27948, 30020, 31236, 32469, 34935, 39045, 40290, 43292, 44251, 45030, 46580, 51034, 52060, 54115, 64938, 69870, 76551, 78090, 80580, 88502, 90060, 102068, 108230, 127585, 129876, 132753, 139740, 153102, 156180, 162345, 177004, 183991, 205637, 216460, 221255, 255170, 265506, 306204, 324690, 367982, 382755, 411274, 442510, 510340, 531012, 551973, 616911, 649380, 663765, 735964, 765510, 822548, 885020, 919955, 1028185, 1103946, 1233822, 1327530, 1531020, 1839910, 2056370, 2207892, 2467644, 2655060, 2759865, 3084555, 3495829, 3679820, 4112740, 5519730, 6169110, 6991658, 10487487, 11039460, 12338220, 13983316, 17479145, 20974974, 34958290, 41949948, 52437435, 69916580, 104874870, 209749740]

約数ペア:

[(1, 209749740), (2, 104874870), (3, 69916580), (4, 52437435), (5, 41949948), (6, 34958290), (10, 20974974), (12, 17479145), (15, 13983316), (17, 12338220), (19, 11039460), (20, 10487487), (30, 6991658), (34, 6169110), (38, 5519730), (51, 4112740), (57, 3679820), (60, 3495829), (68, 3084555), (76, 2759865), (79, 2655060), (85, 2467644), (95, 2207892), (102, 2056370), (114, 1839910), (137, 1531020), (158, 1327530), (170, 1233822), (190, 1103946), (204, 1028185), (228, 919955), (237, 885020), (255, 822548), (274, 765510), (285, 735964), (316, 663765), (323, 649380), (340, 616911), (380, 551973), (395, 531012), (411, 510340), (474, 442510), (510, 411274), (548, 382755), (570, 367982), (646, 324690), (685, 306204), (790, 265506), (822, 255170), (948, 221255), (969, 216460), (1020, 205637), (1140, 183991), (1185, 177004), (1292, 162345), (1343, 156180), (1370, 153102), (1501, 139740), (1580, 132753), (1615, 129876), (1644, 127585), (1938, 108230), (2055, 102068), (2329, 90060), (2370, 88502), (2603, 80580), (2686, 78090), (2740, 76551), (3002, 69870), (3230, 64938), (3876, 54115), (4029, 52060), (4110, 51034), (4503, 46580), (4658, 45030), (4740, 44251), (4845, 43292), (5206, 40290), (5372, 39045), (6004, 34935), (6460, 32469), (6715, 31236), (6987, 30020), (7505, 27948), (7809, 26860), (8058, 26030), (8220, 25517), (9006, 23290), (9316, 22515), (9690, 21646), (10412, 20145), (10823, 19380), (11645, 18012), (13015, 16116), (13430, 15618), (13974, 15010)]