205129435425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1979}}^1\times {\mathrm{72739}}^1$

素因数の和:74750

約数の個数: 48

約数和(自身を含む): 357182496000

約数和(自身を除く): 152053060575

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 1979, 5937, 9895, 29685, 37601, 49475, 72739, 112803, 148425, 188005, 218217, 363695, 564015, 940025, 1091085, 1382041, 1818475, 2820075, 4146123, 5455425, 6910205, 20730615, 34551025, 103653075, 143950481, 431851443, 719752405, 2159257215, 2735059139, 3598762025, 8205177417, 10796286075, 13675295695, 41025887085, 68376478475, 205129435425]

約数ペア:

[(1, 205129435425), (3, 68376478475), (5, 41025887085), (15, 13675295695), (19, 10796286075), (25, 8205177417), (57, 3598762025), (75, 2735059139), (95, 2159257215), (285, 719752405), (475, 431851443), (1425, 143950481), (1979, 103653075), (5937, 34551025), (9895, 20730615), (29685, 6910205), (37601, 5455425), (49475, 4146123), (72739, 2820075), (112803, 1818475), (148425, 1382041), (188005, 1091085), (218217, 940025), (363695, 564015)]