217546980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 735920640

約数和(自身を除く): 518373660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 53, 58, 60, 70, 84, 87, 105, 106, 116, 140, 145, 159, 174, 203, 210, 212, 265, 290, 318, 337, 348, 371, 406, 420, 435, 530, 580, 609, 636, 674, 742, 795, 812, 870, 1011, 1015, 1060, 1113, 1218, 1348, 1484, 1537, 1590, 1685, 1740, 1855, 2022, 2030, 2226, 2359, 2436, 3045, 3074, 3180, 3370, 3710, 4044, 4060, 4452, 4611, 4718, 5055, 5565, 6090, 6148, 6740, 7077, 7420, 7685, 9222, 9436, 9773, 10110, 10759, 11130, 11795, 12180, 14154, 15370, 17861, 18444, 19546, 20220, 21518, 22260, 23055, 23590, 28308, 29319, 30740, 32277, 35385, 35722, 39092, 43036, 46110, 47180, 48865, 53583, 53795, 58638, 64554, 68411, 70770, 71444, 89305, 92220, 97730, 107166, 107590, 117276, 125027, 129108, 136822, 141540, 146595, 161385, 178610, 195460, 205233, 214332, 215180, 250054, 267915, 273644, 293190, 322770, 342055, 357220, 375081, 410466, 500108, 517969, 535830, 586380, 625135, 645540, 684110, 750162, 820932, 1026165, 1035938, 1071660, 1250270, 1368220, 1500324, 1553907, 1875405, 2052330, 2071876, 2500540, 2589845, 3107814, 3625783, 3750810, 4104660, 5179690, 6215628, 7251566, 7501620, 7769535, 10359380, 10877349, 14503132, 15539070, 18128915, 21754698, 31078140, 36257830, 43509396, 54386745, 72515660, 108773490, 217546980]

約数ペア:

[(1, 217546980), (2, 108773490), (3, 72515660), (4, 54386745), (5, 43509396), (6, 36257830), (7, 31078140), (10, 21754698), (12, 18128915), (14, 15539070), (15, 14503132), (20, 10877349), (21, 10359380), (28, 7769535), (29, 7501620), (30, 7251566), (35, 6215628), (42, 5179690), (53, 4104660), (58, 3750810), (60, 3625783), (70, 3107814), (84, 2589845), (87, 2500540), (105, 2071876), (106, 2052330), (116, 1875405), (140, 1553907), (145, 1500324), (159, 1368220), (174, 1250270), (203, 1071660), (210, 1035938), (212, 1026165), (265, 820932), (290, 750162), (318, 684110), (337, 645540), (348, 625135), (371, 586380), (406, 535830), (420, 517969), (435, 500108), (530, 410466), (580, 375081), (609, 357220), (636, 342055), (674, 322770), (742, 293190), (795, 273644), (812, 267915), (870, 250054), (1011, 215180), (1015, 214332), (1060, 205233), (1113, 195460), (1218, 178610), (1348, 161385), (1484, 146595), (1537, 141540), (1590, 136822), (1685, 129108), (1740, 125027), (1855, 117276), (2022, 107590), (2030, 107166), (2226, 97730), (2359, 92220), (2436, 89305), (3045, 71444), (3074, 70770), (3180, 68411), (3370, 64554), (3710, 58638), (4044, 53795), (4060, 53583), (4452, 48865), (4611, 47180), (4718, 46110), (5055, 43036), (5565, 39092), (6090, 35722), (6148, 35385), (6740, 32277), (7077, 30740), (7420, 29319), (7685, 28308), (9222, 23590), (9436, 23055), (9773, 22260), (10110, 21518), (10759, 20220), (11130, 19546), (11795, 18444), (12180, 17861), (14154, 15370)]