208224520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 590976000

約数和(自身を除く): 382751480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 49, 56, 62, 70, 92, 98, 115, 124, 140, 149, 155, 161, 184, 196, 217, 230, 245, 248, 280, 298, 310, 322, 392, 434, 460, 490, 596, 620, 644, 713, 745, 805, 868, 920, 980, 1043, 1085, 1127, 1192, 1240, 1288, 1426, 1490, 1519, 1610, 1736, 1960, 2086, 2170, 2254, 2852, 2980, 3038, 3220, 3427, 3565, 4172, 4340, 4508, 4619, 4991, 5215, 5635, 5704, 5960, 6076, 6440, 6854, 7130, 7301, 7595, 8344, 8680, 9016, 9238, 9982, 10430, 11270, 12152, 13708, 14260, 14602, 15190, 17135, 18476, 19964, 20860, 22540, 23095, 23989, 24955, 27416, 28520, 29204, 30380, 32333, 34270, 34937, 36505, 36952, 39928, 41720, 45080, 46190, 47978, 49910, 58408, 60760, 64666, 68540, 69874, 73010, 92380, 95956, 99820, 106237, 119945, 129332, 137080, 139748, 146020, 161665, 167923, 174685, 184760, 191912, 199640, 212474, 226331, 239890, 258664, 279496, 292040, 323330, 335846, 349370, 424948, 452662, 479780, 531185, 646660, 671692, 698740, 743659, 839615, 849896, 905324, 959560, 1062370, 1131655, 1293320, 1343384, 1397480, 1487318, 1679230, 1810648, 2124740, 2263310, 2974636, 3358460, 3718295, 4249480, 4526620, 5205613, 5949272, 6716920, 7436590, 9053240, 10411226, 14873180, 20822452, 26028065, 29746360, 41644904, 52056130, 104112260, 208224520]

約数ペア:

[(1, 208224520), (2, 104112260), (4, 52056130), (5, 41644904), (7, 29746360), (8, 26028065), (10, 20822452), (14, 14873180), (20, 10411226), (23, 9053240), (28, 7436590), (31, 6716920), (35, 5949272), (40, 5205613), (46, 4526620), (49, 4249480), (56, 3718295), (62, 3358460), (70, 2974636), (92, 2263310), (98, 2124740), (115, 1810648), (124, 1679230), (140, 1487318), (149, 1397480), (155, 1343384), (161, 1293320), (184, 1131655), (196, 1062370), (217, 959560), (230, 905324), (245, 849896), (248, 839615), (280, 743659), (298, 698740), (310, 671692), (322, 646660), (392, 531185), (434, 479780), (460, 452662), (490, 424948), (596, 349370), (620, 335846), (644, 323330), (713, 292040), (745, 279496), (805, 258664), (868, 239890), (920, 226331), (980, 212474), (1043, 199640), (1085, 191912), (1127, 184760), (1192, 174685), (1240, 167923), (1288, 161665), (1426, 146020), (1490, 139748), (1519, 137080), (1610, 129332), (1736, 119945), (1960, 106237), (2086, 99820), (2170, 95956), (2254, 92380), (2852, 73010), (2980, 69874), (3038, 68540), (3220, 64666), (3427, 60760), (3565, 58408), (4172, 49910), (4340, 47978), (4508, 46190), (4619, 45080), (4991, 41720), (5215, 39928), (5635, 36952), (5704, 36505), (5960, 34937), (6076, 34270), (6440, 32333), (6854, 30380), (7130, 29204), (7301, 28520), (7595, 27416), (8344, 24955), (8680, 23989), (9016, 23095), (9238, 22540), (9982, 20860), (10430, 19964), (11270, 18476), (12152, 17135), (13708, 15190), (14260, 14602)]