248807440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 688455936

約数和(自身を除く): 439648496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 83, 101, 106, 112, 140, 166, 202, 212, 265, 280, 332, 371, 404, 415, 424, 505, 530, 560, 581, 664, 707, 742, 808, 830, 848, 1010, 1060, 1162, 1328, 1414, 1484, 1616, 1660, 1855, 2020, 2120, 2324, 2828, 2905, 2968, 3320, 3535, 3710, 4040, 4240, 4399, 4648, 5353, 5656, 5810, 5936, 6640, 7070, 7420, 8080, 8383, 8798, 9296, 10706, 11312, 11620, 14140, 14840, 16766, 17596, 21412, 21995, 23240, 26765, 28280, 29680, 30793, 33532, 35192, 37471, 41915, 42824, 43990, 46480, 53530, 56560, 58681, 61586, 67064, 70384, 74942, 83830, 85648, 87980, 107060, 117362, 123172, 134128, 149884, 153965, 167660, 175960, 187355, 214120, 234724, 246344, 293405, 299768, 307930, 335320, 351920, 374710, 428240, 444299, 469448, 492688, 586810, 599536, 615860, 670640, 749420, 888598, 938896, 1173620, 1231720, 1498840, 1777196, 2221495, 2347240, 2463440, 2997680, 3110093, 3554392, 4442990, 4694480, 6220186, 7108784, 8885980, 12440372, 15550465, 17771960, 24880744, 31100930, 35543920, 49761488, 62201860, 124403720, 248807440]

約数ペア:

[(1, 248807440), (2, 124403720), (4, 62201860), (5, 49761488), (7, 35543920), (8, 31100930), (10, 24880744), (14, 17771960), (16, 15550465), (20, 12440372), (28, 8885980), (35, 7108784), (40, 6220186), (53, 4694480), (56, 4442990), (70, 3554392), (80, 3110093), (83, 2997680), (101, 2463440), (106, 2347240), (112, 2221495), (140, 1777196), (166, 1498840), (202, 1231720), (212, 1173620), (265, 938896), (280, 888598), (332, 749420), (371, 670640), (404, 615860), (415, 599536), (424, 586810), (505, 492688), (530, 469448), (560, 444299), (581, 428240), (664, 374710), (707, 351920), (742, 335320), (808, 307930), (830, 299768), (848, 293405), (1010, 246344), (1060, 234724), (1162, 214120), (1328, 187355), (1414, 175960), (1484, 167660), (1616, 153965), (1660, 149884), (1855, 134128), (2020, 123172), (2120, 117362), (2324, 107060), (2828, 87980), (2905, 85648), (2968, 83830), (3320, 74942), (3535, 70384), (3710, 67064), (4040, 61586), (4240, 58681), (4399, 56560), (4648, 53530), (5353, 46480), (5656, 43990), (5810, 42824), (5936, 41915), (6640, 37471), (7070, 35192), (7420, 33532), (8080, 30793), (8383, 29680), (8798, 28280), (9296, 26765), (10706, 23240), (11312, 21995), (11620, 21412), (14140, 17596), (14840, 16766)]