208735520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:635

約数の個数: 192

約数和(自身を含む): 629233920

約数和(自身を除く): 420498400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 160, 170, 190, 224, 238, 266, 272, 280, 304, 323, 340, 380, 476, 532, 544, 560, 577, 595, 608, 646, 665, 680, 760, 952, 1064, 1120, 1154, 1190, 1292, 1330, 1360, 1520, 1615, 1904, 2128, 2261, 2308, 2380, 2584, 2660, 2720, 2885, 3040, 3230, 3808, 4039, 4256, 4522, 4616, 4760, 5168, 5320, 5770, 6460, 8078, 9044, 9232, 9520, 9809, 10336, 10640, 10963, 11305, 11540, 12920, 16156, 18088, 18464, 19040, 19618, 20195, 21280, 21926, 22610, 23080, 25840, 32312, 36176, 39236, 40390, 43852, 45220, 46160, 49045, 51680, 54815, 64624, 68663, 72352, 76741, 78472, 80780, 87704, 90440, 92320, 98090, 109630, 129248, 137326, 153482, 156944, 161560, 175408, 180880, 186371, 196180, 219260, 274652, 306964, 313888, 323120, 343315, 350816, 361760, 372742, 383705, 392360, 438520, 549304, 613928, 646240, 686630, 745484, 767410, 784720, 877040, 931855, 1098608, 1227856, 1304597, 1373260, 1490968, 1534820, 1569440, 1754080, 1863710, 2197216, 2455712, 2609194, 2746520, 2981936, 3069640, 3727420, 5218388, 5493040, 5963872, 6139280, 6522985, 7454840, 10436776, 10986080, 12278560, 13045970, 14909680, 20873552, 26091940, 29819360, 41747104, 52183880, 104367760, 208735520]

約数ペア:

[(1, 208735520), (2, 104367760), (4, 52183880), (5, 41747104), (7, 29819360), (8, 26091940), (10, 20873552), (14, 14909680), (16, 13045970), (17, 12278560), (19, 10986080), (20, 10436776), (28, 7454840), (32, 6522985), (34, 6139280), (35, 5963872), (38, 5493040), (40, 5218388), (56, 3727420), (68, 3069640), (70, 2981936), (76, 2746520), (80, 2609194), (85, 2455712), (95, 2197216), (112, 1863710), (119, 1754080), (133, 1569440), (136, 1534820), (140, 1490968), (152, 1373260), (160, 1304597), (170, 1227856), (190, 1098608), (224, 931855), (238, 877040), (266, 784720), (272, 767410), (280, 745484), (304, 686630), (323, 646240), (340, 613928), (380, 549304), (476, 438520), (532, 392360), (544, 383705), (560, 372742), (577, 361760), (595, 350816), (608, 343315), (646, 323120), (665, 313888), (680, 306964), (760, 274652), (952, 219260), (1064, 196180), (1120, 186371), (1154, 180880), (1190, 175408), (1292, 161560), (1330, 156944), (1360, 153482), (1520, 137326), (1615, 129248), (1904, 109630), (2128, 98090), (2261, 92320), (2308, 90440), (2380, 87704), (2584, 80780), (2660, 78472), (2720, 76741), (2885, 72352), (3040, 68663), (3230, 64624), (3808, 54815), (4039, 51680), (4256, 49045), (4522, 46160), (4616, 45220), (4760, 43852), (5168, 40390), (5320, 39236), (5770, 36176), (6460, 32312), (8078, 25840), (9044, 23080), (9232, 22610), (9520, 21926), (9809, 21280), (10336, 20195), (10640, 19618), (10963, 19040), (11305, 18464), (11540, 18088), (12920, 16156)]