38851960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 107712000

約数和(自身を除く): 68860040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 95, 109, 133, 134, 140, 152, 190, 218, 266, 268, 280, 335, 380, 436, 469, 532, 536, 545, 665, 670, 760, 763, 872, 938, 1064, 1090, 1273, 1330, 1340, 1526, 1876, 2071, 2180, 2345, 2546, 2660, 2680, 3052, 3752, 3815, 4142, 4360, 4690, 5092, 5320, 6104, 6365, 7303, 7630, 8284, 8911, 9380, 10184, 10355, 12730, 14497, 14606, 15260, 16568, 17822, 18760, 20710, 25460, 28994, 29212, 30520, 35644, 36515, 41420, 44555, 50920, 51121, 57988, 58424, 71288, 72485, 73030, 82840, 89110, 102242, 115976, 138757, 144970, 146060, 178220, 204484, 255605, 277514, 289940, 292120, 356440, 408968, 511210, 555028, 579880, 693785, 971299, 1022420, 1110056, 1387570, 1942598, 2044840, 2775140, 3885196, 4856495, 5550280, 7770392, 9712990, 19425980, 38851960]

約数ペア:

[(1, 38851960), (2, 19425980), (4, 9712990), (5, 7770392), (7, 5550280), (8, 4856495), (10, 3885196), (14, 2775140), (19, 2044840), (20, 1942598), (28, 1387570), (35, 1110056), (38, 1022420), (40, 971299), (56, 693785), (67, 579880), (70, 555028), (76, 511210), (95, 408968), (109, 356440), (133, 292120), (134, 289940), (140, 277514), (152, 255605), (190, 204484), (218, 178220), (266, 146060), (268, 144970), (280, 138757), (335, 115976), (380, 102242), (436, 89110), (469, 82840), (532, 73030), (536, 72485), (545, 71288), (665, 58424), (670, 57988), (760, 51121), (763, 50920), (872, 44555), (938, 41420), (1064, 36515), (1090, 35644), (1273, 30520), (1330, 29212), (1340, 28994), (1526, 25460), (1876, 20710), (2071, 18760), (2180, 17822), (2345, 16568), (2546, 15260), (2660, 14606), (2680, 14497), (3052, 12730), (3752, 10355), (3815, 10184), (4142, 9380), (4360, 8911), (4690, 8284), (5092, 7630), (5320, 7303), (6104, 6365)]