219380840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 622987200

約数和(自身を除く): 403606360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 49, 56, 70, 76, 86, 95, 98, 133, 137, 140, 152, 172, 190, 196, 215, 245, 266, 274, 280, 301, 344, 380, 392, 430, 490, 532, 548, 602, 665, 685, 760, 817, 860, 931, 959, 980, 1064, 1096, 1204, 1330, 1370, 1505, 1634, 1720, 1862, 1918, 1960, 2107, 2408, 2603, 2660, 2740, 3010, 3268, 3724, 3836, 4085, 4214, 4655, 4795, 5206, 5320, 5480, 5719, 5891, 6020, 6536, 6713, 7448, 7672, 8170, 8428, 9310, 9590, 10412, 10535, 11438, 11782, 12040, 13015, 13426, 16340, 16856, 18221, 18620, 19180, 20824, 21070, 22876, 23564, 26030, 26852, 28595, 29455, 32680, 33565, 36442, 37240, 38360, 40033, 41237, 42140, 45752, 47128, 52060, 53704, 57190, 58910, 67130, 72884, 80066, 82474, 84280, 91105, 104120, 111929, 114380, 117820, 127547, 134260, 145768, 160132, 164948, 182210, 200165, 206185, 223858, 228760, 235640, 255094, 268520, 288659, 320264, 329896, 364420, 400330, 412370, 447716, 510188, 559645, 577318, 637735, 728840, 783503, 800660, 824740, 895432, 1020376, 1119290, 1154636, 1275470, 1443295, 1567006, 1601320, 1649480, 2238580, 2309272, 2550940, 2886590, 3134012, 3917515, 4477160, 5101880, 5484521, 5773180, 6268024, 7835030, 10969042, 11546360, 15670060, 21938084, 27422605, 31340120, 43876168, 54845210, 109690420, 219380840]

約数ペア:

[(1, 219380840), (2, 109690420), (4, 54845210), (5, 43876168), (7, 31340120), (8, 27422605), (10, 21938084), (14, 15670060), (19, 11546360), (20, 10969042), (28, 7835030), (35, 6268024), (38, 5773180), (40, 5484521), (43, 5101880), (49, 4477160), (56, 3917515), (70, 3134012), (76, 2886590), (86, 2550940), (95, 2309272), (98, 2238580), (133, 1649480), (137, 1601320), (140, 1567006), (152, 1443295), (172, 1275470), (190, 1154636), (196, 1119290), (215, 1020376), (245, 895432), (266, 824740), (274, 800660), (280, 783503), (301, 728840), (344, 637735), (380, 577318), (392, 559645), (430, 510188), (490, 447716), (532, 412370), (548, 400330), (602, 364420), (665, 329896), (685, 320264), (760, 288659), (817, 268520), (860, 255094), (931, 235640), (959, 228760), (980, 223858), (1064, 206185), (1096, 200165), (1204, 182210), (1330, 164948), (1370, 160132), (1505, 145768), (1634, 134260), (1720, 127547), (1862, 117820), (1918, 114380), (1960, 111929), (2107, 104120), (2408, 91105), (2603, 84280), (2660, 82474), (2740, 80066), (3010, 72884), (3268, 67130), (3724, 58910), (3836, 57190), (4085, 53704), (4214, 52060), (4655, 47128), (4795, 45752), (5206, 42140), (5320, 41237), (5480, 40033), (5719, 38360), (5891, 37240), (6020, 36442), (6536, 33565), (6713, 32680), (7448, 29455), (7672, 28595), (8170, 26852), (8428, 26030), (9310, 23564), (9590, 22876), (10412, 21070), (10535, 20824), (11438, 19180), (11782, 18620), (12040, 18221), (13015, 16856), (13426, 16340)]