30666475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 47854080

約数和(自身を除く): 17187605

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 133, 161, 175, 401, 437, 475, 575, 665, 805, 2005, 2185, 2807, 3059, 3325, 4025, 7619, 9223, 10025, 10925, 14035, 15295, 38095, 46115, 53333, 64561, 70175, 76475, 175237, 190475, 230575, 266665, 322805, 876185, 1226659, 1333325, 1614025, 4380925, 6133295, 30666475]

約数ペア:

[(1, 30666475), (5, 6133295), (7, 4380925), (19, 1614025), (23, 1333325), (25, 1226659), (35, 876185), (95, 322805), (115, 266665), (133, 230575), (161, 190475), (175, 175237), (401, 76475), (437, 70175), (475, 64561), (575, 53333), (665, 46115), (805, 38095), (2005, 15295), (2185, 14035), (2807, 10925), (3059, 10025), (3325, 9223), (4025, 7619)]