30960875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 13854805

約数列:

[1, 5, 11, 23, 25, 55, 89, 115, 121, 125, 253, 275, 445, 575, 605, 979, 1265, 1375, 2047, 2225, 2783, 2875, 3025, 4895, 6325, 10235, 10769, 11125, 13915, 15125, 22517, 24475, 31625, 51175, 53845, 69575, 112585, 122375, 247687, 255875, 269225, 347875, 562925, 1238435, 1346125, 2814625, 6192175, 30960875]

約数ペア:

[(1, 30960875), (5, 6192175), (11, 2814625), (23, 1346125), (25, 1238435), (55, 562925), (89, 347875), (115, 269225), (121, 255875), (125, 247687), (253, 122375), (275, 112585), (445, 69575), (575, 53845), (605, 51175), (979, 31625), (1265, 24475), (1375, 22517), (2047, 15125), (2225, 13915), (2783, 11125), (2875, 10769), (3025, 10235), (4895, 6325)]