447850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 36

約数和(自身を含む): 919026

約数和(自身を除く): 471176

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 169, 265, 325, 338, 530, 650, 689, 845, 1325, 1378, 1690, 2650, 3445, 4225, 6890, 8450, 8957, 17225, 17914, 34450, 44785, 89570, 223925, 447850]

約数ペア:

[(1, 447850), (2, 223925), (5, 89570), (10, 44785), (13, 34450), (25, 17914), (26, 17225), (50, 8957), (53, 8450), (65, 6890), (106, 4225), (130, 3445), (169, 2650), (265, 1690), (325, 1378), (338, 1325), (530, 845), (650, 689)]