1243104020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 2645773200

約数和(自身を除く): 1402669180

約数列:

[1, 2, 4, 5, 10, 20, 149, 157, 298, 314, 596, 628, 745, 785, 1490, 1570, 2657, 2980, 3140, 5314, 10628, 13285, 23393, 26570, 46786, 53140, 93572, 116965, 233930, 395893, 417149, 467860, 791786, 834298, 1583572, 1668596, 1979465, 2085745, 3958930, 4171490, 7917860, 8342980, 62155201, 124310402, 248620804, 310776005, 621552010, 1243104020]

約数ペア:

[(1, 1243104020), (2, 621552010), (4, 310776005), (5, 248620804), (10, 124310402), (20, 62155201), (149, 8342980), (157, 7917860), (298, 4171490), (314, 3958930), (596, 2085745), (628, 1979465), (745, 1668596), (785, 1583572), (1490, 834298), (1570, 791786), (2657, 467860), (2980, 417149), (3140, 395893), (5314, 233930), (10628, 116965), (13285, 93572), (23393, 53140), (26570, 46786)]