2049156725

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{631}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 3243024576

約数和(自身を除く): 1193867851

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 241, 245, 275, 385, 539, 631, 1205, 1225, 1687, 1925, 2651, 2695, 3155, 4417, 6025, 6941, 8435, 11809, 13255, 13475, 15775, 18557, 22085, 30919, 34705, 42175, 48587, 59045, 66275, 92785, 110425, 129899, 152071, 154595, 173525, 242935, 295225, 340109, 463925, 649495, 760355, 772975, 1064497, 1214675, 1672781, 1700545, 3247475, 3801775, 5322485, 7451479, 8363905, 8502725, 11709467, 26612425, 37257395, 41819525, 58547335, 81966269, 186286975, 292736675, 409831345, 2049156725]

約数ペア:

[(1, 2049156725), (5, 409831345), (7, 292736675), (11, 186286975), (25, 81966269), (35, 58547335), (49, 41819525), (55, 37257395), (77, 26612425), (175, 11709467), (241, 8502725), (245, 8363905), (275, 7451479), (385, 5322485), (539, 3801775), (631, 3247475), (1205, 1700545), (1225, 1672781), (1687, 1214675), (1925, 1064497), (2651, 772975), (2695, 760355), (3155, 649495), (4417, 463925), (6025, 340109), (6941, 295225), (8435, 242935), (11809, 173525), (13255, 154595), (13475, 152071), (15775, 129899), (18557, 110425), (22085, 92785), (30919, 66275), (34705, 59045), (42175, 48587)]