1257420860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1\times {\mathrm{1579}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 2735359200

約数和(自身を除く): 1477938340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1373, 1579, 2746, 3158, 5492, 6316, 6865, 7895, 13730, 15790, 27460, 31580, 39817, 45791, 79634, 91582, 159268, 183164, 199085, 228955, 398170, 457910, 796340, 915820, 2167967, 4335934, 8671868, 10839835, 21679670, 43359340, 62871043, 125742086, 251484172, 314355215, 628710430, 1257420860]

約数ペア:

[(1, 1257420860), (2, 628710430), (4, 314355215), (5, 251484172), (10, 125742086), (20, 62871043), (29, 43359340), (58, 21679670), (116, 10839835), (145, 8671868), (290, 4335934), (580, 2167967), (1373, 915820), (1579, 796340), (2746, 457910), (3158, 398170), (5492, 228955), (6316, 199085), (6865, 183164), (7895, 159268), (13730, 91582), (15790, 79634), (27460, 45791), (31580, 39817)]