5550280

素因数分解:

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

素因数の和:206

約数の個数: 64

約数和(自身を含む): 13464000

約数和(自身を除く): 7913720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 109, 134, 152, 190, 218, 268, 335, 380, 436, 536, 545, 670, 760, 872, 1090, 1273, 1340, 2071, 2180, 2546, 2680, 4142, 4360, 5092, 6365, 7303, 8284, 10184, 10355, 12730, 14606, 16568, 20710, 25460, 29212, 36515, 41420, 50920, 58424, 73030, 82840, 138757, 146060, 277514, 292120, 555028, 693785, 1110056, 1387570, 2775140, 5550280]

約数ペア:

[(1, 5550280), (2, 2775140), (4, 1387570), (5, 1110056), (8, 693785), (10, 555028), (19, 292120), (20, 277514), (38, 146060), (40, 138757), (67, 82840), (76, 73030), (95, 58424), (109, 50920), (134, 41420), (152, 36515), (190, 29212), (218, 25460), (268, 20710), (335, 16568), (380, 14606), (436, 12730), (536, 10355), (545, 10184), (670, 8284), (760, 7303), (872, 6365), (1090, 5092), (1273, 4360), (1340, 4142), (2071, 2680), (2180, 2546)]