208771360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 144

約数和(自身を含む): 592945920

約数和(自身を除く): 384174560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 859, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1718, 1736, 1960, 2170, 2480, 3038, 3436, 3472, 3920, 4295, 4340, 4960, 6013, 6076, 6872, 6944, 7595, 7840, 8590, 8680, 12026, 12152, 13744, 15190, 17180, 17360, 24052, 24304, 26629, 27488, 30065, 30380, 34360, 34720, 42091, 48104, 48608, 53258, 60130, 60760, 68720, 84182, 96208, 106516, 120260, 121520, 133145, 137440, 168364, 186403, 192416, 210455, 213032, 240520, 243040, 266290, 336728, 372806, 420910, 426064, 481040, 532580, 673456, 745612, 841820, 852128, 932015, 962080, 1065160, 1304821, 1346912, 1491224, 1683640, 1864030, 2130320, 2609642, 2982448, 3367280, 3728060, 4260640, 5219284, 5964896, 6524105, 6734560, 7456120, 10438568, 13048210, 14912240, 20877136, 26096420, 29824480, 41754272, 52192840, 104385680, 208771360]

約数ペア:

[(1, 208771360), (2, 104385680), (4, 52192840), (5, 41754272), (7, 29824480), (8, 26096420), (10, 20877136), (14, 14912240), (16, 13048210), (20, 10438568), (28, 7456120), (31, 6734560), (32, 6524105), (35, 5964896), (40, 5219284), (49, 4260640), (56, 3728060), (62, 3367280), (70, 2982448), (80, 2609642), (98, 2130320), (112, 1864030), (124, 1683640), (140, 1491224), (155, 1346912), (160, 1304821), (196, 1065160), (217, 962080), (224, 932015), (245, 852128), (248, 841820), (280, 745612), (310, 673456), (392, 532580), (434, 481040), (490, 426064), (496, 420910), (560, 372806), (620, 336728), (784, 266290), (859, 243040), (868, 240520), (980, 213032), (992, 210455), (1085, 192416), (1120, 186403), (1240, 168364), (1519, 137440), (1568, 133145), (1718, 121520), (1736, 120260), (1960, 106516), (2170, 96208), (2480, 84182), (3038, 68720), (3436, 60760), (3472, 60130), (3920, 53258), (4295, 48608), (4340, 48104), (4960, 42091), (6013, 34720), (6076, 34360), (6872, 30380), (6944, 30065), (7595, 27488), (7840, 26629), (8590, 24304), (8680, 24052), (12026, 17360), (12152, 17180), (13744, 15190)]