30280425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 57770112

約数和(自身を除く): 27489687

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 137, 175, 411, 421, 525, 685, 959, 1263, 2055, 2105, 2877, 2947, 3425, 4795, 6315, 8841, 10275, 10525, 14385, 14735, 23975, 31575, 44205, 57677, 71925, 73675, 173031, 221025, 288385, 403739, 865155, 1211217, 1441925, 2018695, 4325775, 6056085, 10093475, 30280425]

約数ペア:

[(1, 30280425), (3, 10093475), (5, 6056085), (7, 4325775), (15, 2018695), (21, 1441925), (25, 1211217), (35, 865155), (75, 403739), (105, 288385), (137, 221025), (175, 173031), (411, 73675), (421, 71925), (525, 57677), (685, 44205), (959, 31575), (1263, 23975), (2055, 14735), (2105, 14385), (2877, 10525), (2947, 10275), (3425, 8841), (4795, 6315)]