179639980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1723}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 407512224

約数和(自身を除く): 227872244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 802, 1604, 1723, 2005, 3446, 4010, 5213, 6892, 8020, 8615, 10426, 17230, 20852, 22399, 26065, 34460, 44798, 52130, 89596, 104260, 111995, 223990, 447980, 690923, 1381846, 2763692, 3454615, 6909230, 8981999, 13818460, 17963998, 35927996, 44909995, 89819990, 179639980]

約数ペア:

[(1, 179639980), (2, 89819990), (4, 44909995), (5, 35927996), (10, 17963998), (13, 13818460), (20, 8981999), (26, 6909230), (52, 3454615), (65, 2763692), (130, 1381846), (260, 690923), (401, 447980), (802, 223990), (1604, 111995), (1723, 104260), (2005, 89596), (3446, 52130), (4010, 44798), (5213, 34460), (6892, 26065), (8020, 22399), (8615, 20852), (10426, 17230)]