205667020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 541900800

約数和(自身を除く): 336233780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 31, 34, 38, 52, 62, 65, 68, 76, 79, 85, 95, 124, 130, 155, 158, 170, 190, 221, 247, 260, 310, 316, 323, 340, 380, 395, 403, 442, 494, 527, 589, 620, 646, 790, 806, 884, 988, 1027, 1054, 1105, 1178, 1235, 1292, 1343, 1501, 1580, 1612, 1615, 2015, 2054, 2108, 2210, 2356, 2449, 2470, 2635, 2686, 2945, 3002, 3230, 4030, 4108, 4199, 4420, 4898, 4940, 5135, 5270, 5372, 5890, 6004, 6460, 6715, 6851, 7505, 7657, 8060, 8398, 9796, 10013, 10270, 10540, 11780, 12245, 13430, 13702, 15010, 15314, 16796, 17459, 19513, 20026, 20540, 20995, 24490, 25517, 26860, 27404, 30020, 30628, 31837, 34255, 34918, 38285, 39026, 40052, 41633, 41990, 46531, 48980, 50065, 51034, 63674, 68510, 69836, 76570, 78052, 83266, 83980, 87295, 93062, 97565, 100130, 102068, 127348, 127585, 130169, 137020, 153140, 159185, 166532, 174590, 186124, 195130, 200260, 208165, 232655, 255170, 260338, 318370, 331721, 349180, 390260, 416330, 465310, 510340, 520676, 541229, 604903, 636740, 650845, 663442, 791027, 832660, 930620, 1082458, 1209806, 1301690, 1326884, 1582054, 1658605, 2164916, 2419612, 2603380, 2706145, 3024515, 3164108, 3317210, 3955135, 5412290, 6049030, 6634420, 7910270, 10283351, 10824580, 12098060, 15820540, 20566702, 41133404, 51416755, 102833510, 205667020]

約数ペア:

[(1, 205667020), (2, 102833510), (4, 51416755), (5, 41133404), (10, 20566702), (13, 15820540), (17, 12098060), (19, 10824580), (20, 10283351), (26, 7910270), (31, 6634420), (34, 6049030), (38, 5412290), (52, 3955135), (62, 3317210), (65, 3164108), (68, 3024515), (76, 2706145), (79, 2603380), (85, 2419612), (95, 2164916), (124, 1658605), (130, 1582054), (155, 1326884), (158, 1301690), (170, 1209806), (190, 1082458), (221, 930620), (247, 832660), (260, 791027), (310, 663442), (316, 650845), (323, 636740), (340, 604903), (380, 541229), (395, 520676), (403, 510340), (442, 465310), (494, 416330), (527, 390260), (589, 349180), (620, 331721), (646, 318370), (790, 260338), (806, 255170), (884, 232655), (988, 208165), (1027, 200260), (1054, 195130), (1105, 186124), (1178, 174590), (1235, 166532), (1292, 159185), (1343, 153140), (1501, 137020), (1580, 130169), (1612, 127585), (1615, 127348), (2015, 102068), (2054, 100130), (2108, 97565), (2210, 93062), (2356, 87295), (2449, 83980), (2470, 83266), (2635, 78052), (2686, 76570), (2945, 69836), (3002, 68510), (3230, 63674), (4030, 51034), (4108, 50065), (4199, 48980), (4420, 46531), (4898, 41990), (4940, 41633), (5135, 40052), (5270, 39026), (5372, 38285), (5890, 34918), (6004, 34255), (6460, 31837), (6715, 30628), (6851, 30020), (7505, 27404), (7657, 26860), (8060, 25517), (8398, 24490), (9796, 20995), (10013, 20540), (10270, 20026), (10540, 19513), (11780, 17459), (12245, 16796), (13430, 15314), (13702, 15010)]