252749840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 160

約数和(自身を含む): 701145600

約数和(自身を除く): 448395760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 151, 196, 244, 245, 280, 302, 305, 343, 392, 427, 488, 490, 560, 604, 610, 686, 755, 784, 854, 976, 980, 1057, 1208, 1220, 1372, 1510, 1708, 1715, 1960, 2114, 2135, 2416, 2440, 2744, 2989, 3020, 3416, 3430, 3920, 4228, 4270, 4880, 5285, 5488, 5978, 6040, 6832, 6860, 7399, 8456, 8540, 9211, 10570, 11956, 12080, 13720, 14798, 14945, 16912, 17080, 18422, 20923, 21140, 23912, 27440, 29596, 29890, 34160, 36844, 36995, 41846, 42280, 46055, 47824, 51793, 59192, 59780, 64477, 73688, 73990, 83692, 84560, 92110, 103586, 104615, 118384, 119560, 128954, 147376, 147980, 167384, 184220, 207172, 209230, 239120, 257908, 258965, 295960, 322385, 334768, 368440, 414344, 418460, 451339, 515816, 517930, 591920, 644770, 736880, 828688, 836920, 902678, 1031632, 1035860, 1289540, 1673840, 1805356, 2071720, 2256695, 2579080, 3159373, 3610712, 4143440, 4513390, 5158160, 6318746, 7221424, 9026780, 12637492, 15796865, 18053560, 25274984, 31593730, 36107120, 50549968, 63187460, 126374920, 252749840]

約数ペア:

[(1, 252749840), (2, 126374920), (4, 63187460), (5, 50549968), (7, 36107120), (8, 31593730), (10, 25274984), (14, 18053560), (16, 15796865), (20, 12637492), (28, 9026780), (35, 7221424), (40, 6318746), (49, 5158160), (56, 4513390), (61, 4143440), (70, 3610712), (80, 3159373), (98, 2579080), (112, 2256695), (122, 2071720), (140, 1805356), (151, 1673840), (196, 1289540), (244, 1035860), (245, 1031632), (280, 902678), (302, 836920), (305, 828688), (343, 736880), (392, 644770), (427, 591920), (488, 517930), (490, 515816), (560, 451339), (604, 418460), (610, 414344), (686, 368440), (755, 334768), (784, 322385), (854, 295960), (976, 258965), (980, 257908), (1057, 239120), (1208, 209230), (1220, 207172), (1372, 184220), (1510, 167384), (1708, 147980), (1715, 147376), (1960, 128954), (2114, 119560), (2135, 118384), (2416, 104615), (2440, 103586), (2744, 92110), (2989, 84560), (3020, 83692), (3416, 73990), (3430, 73688), (3920, 64477), (4228, 59780), (4270, 59192), (4880, 51793), (5285, 47824), (5488, 46055), (5978, 42280), (6040, 41846), (6832, 36995), (6860, 36844), (7399, 34160), (8456, 29890), (8540, 29596), (9211, 27440), (10570, 23912), (11956, 21140), (12080, 20923), (13720, 18422), (14798, 17080), (14945, 16912)]