28012784520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{250741}}^1$

素因数の和:250788

約数の個数: 192

約数和(自身を含む): 102904516800

約数和(自身を除く): 74891732280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1470, 1596, 1862, 1960, 1995, 2280, 2660, 2793, 2940, 3192, 3724, 3990, 4655, 5320, 5586, 5880, 7448, 7980, 9310, 11172, 13965, 15960, 18620, 22344, 27930, 37240, 55860, 111720, 250741, 501482, 752223, 1002964, 1253705, 1504446, 1755187, 2005928, 2507410, 3008892, 3510374, 3761115, 4764079, 5014820, 5265561, 6017784, 7020748, 7522230, 8775935, 9528158, 10029640, 10531122, 12286309, 14041496, 14292237, 15044460, 17551870, 19056316, 21062244, 23820395, 24572618, 26327805, 28584474, 30088920, 33348553, 35103740, 36858927, 38112632, 42124488, 47640790, 49145236, 52655610, 57168948, 61431545, 66697106, 70207480, 71461185, 73717854, 95281580, 98290472, 100045659, 105311220, 114337896, 122863090, 133394212, 142922370, 147435708, 166742765, 184294635, 190563160, 200091318, 210622440, 233439871, 245726180, 266788424, 285844740, 294871416, 333485530, 368589270, 400182636, 466879742, 491452360, 500228295, 571689480, 666971060, 700319613, 737178540, 800365272, 933759484, 1000456590, 1167199355, 1333942120, 1400639226, 1474357080, 1867518968, 2000913180, 2334398710, 2801278452, 3501598065, 4001826360, 4668797420, 5602556904, 7003196130, 9337594840, 14006392260, 28012784520]

約数ペア:

[(1, 28012784520), (2, 14006392260), (3, 9337594840), (4, 7003196130), (5, 5602556904), (6, 4668797420), (7, 4001826360), (8, 3501598065), (10, 2801278452), (12, 2334398710), (14, 2000913180), (15, 1867518968), (19, 1474357080), (20, 1400639226), (21, 1333942120), (24, 1167199355), (28, 1000456590), (30, 933759484), (35, 800365272), (38, 737178540), (40, 700319613), (42, 666971060), (49, 571689480), (56, 500228295), (57, 491452360), (60, 466879742), (70, 400182636), (76, 368589270), (84, 333485530), (95, 294871416), (98, 285844740), (105, 266788424), (114, 245726180), (120, 233439871), (133, 210622440), (140, 200091318), (147, 190563160), (152, 184294635), (168, 166742765), (190, 147435708), (196, 142922370), (210, 133394212), (228, 122863090), (245, 114337896), (266, 105311220), (280, 100045659), (285, 98290472), (294, 95281580), (380, 73717854), (392, 71461185), (399, 70207480), (420, 66697106), (456, 61431545), (490, 57168948), (532, 52655610), (570, 49145236), (588, 47640790), (665, 42124488), (735, 38112632), (760, 36858927), (798, 35103740), (840, 33348553), (931, 30088920), (980, 28584474), (1064, 26327805), (1140, 24572618), (1176, 23820395), (1330, 21062244), (1470, 19056316), (1596, 17551870), (1862, 15044460), (1960, 14292237), (1995, 14041496), (2280, 12286309), (2660, 10531122), (2793, 10029640), (2940, 9528158), (3192, 8775935), (3724, 7522230), (3990, 7020748), (4655, 6017784), (5320, 5265561), (5586, 5014820), (5880, 4764079), (7448, 3761115), (7980, 3510374), (9310, 3008892), (11172, 2507410), (13965, 2005928), (15960, 1755187), (18620, 1504446), (22344, 1253705), (27930, 1002964), (37240, 752223), (55860, 501482), (111720, 250741)]