28799960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1409}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 75124800

約数和(自身を除く): 46324840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1409, 1460, 2044, 2555, 2818, 2920, 4088, 5110, 5636, 7045, 9863, 10220, 11272, 14090, 19726, 20440, 28180, 39452, 49315, 56360, 78904, 98630, 102857, 197260, 205714, 394520, 411428, 514285, 719999, 822856, 1028570, 1439998, 2057140, 2879996, 3599995, 4114280, 5759992, 7199990, 14399980, 28799960]

約数ペア:

[(1, 28799960), (2, 14399980), (4, 7199990), (5, 5759992), (7, 4114280), (8, 3599995), (10, 2879996), (14, 2057140), (20, 1439998), (28, 1028570), (35, 822856), (40, 719999), (56, 514285), (70, 411428), (73, 394520), (140, 205714), (146, 197260), (280, 102857), (292, 98630), (365, 78904), (511, 56360), (584, 49315), (730, 39452), (1022, 28180), (1409, 20440), (1460, 19726), (2044, 14090), (2555, 11272), (2818, 10220), (2920, 9863), (4088, 7045), (5110, 5636)]