221738225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 305337600

約数和(自身を除く): 83599375

約数列:

[1, 5, 17, 25, 37, 59, 85, 185, 239, 295, 425, 629, 925, 1003, 1195, 1475, 2183, 3145, 4063, 5015, 5975, 8843, 10915, 14101, 15725, 20315, 25075, 37111, 44215, 54575, 70505, 101575, 150331, 185555, 221075, 239717, 352525, 521737, 751655, 927775, 1198585, 2608685, 3758275, 5992925, 8869529, 13043425, 44347645, 221738225]

約数ペア:

[(1, 221738225), (5, 44347645), (17, 13043425), (25, 8869529), (37, 5992925), (59, 3758275), (85, 2608685), (185, 1198585), (239, 927775), (295, 751655), (425, 521737), (629, 352525), (925, 239717), (1003, 221075), (1195, 185555), (1475, 150331), (2183, 101575), (3145, 70505), (4063, 54575), (5015, 44215), (5975, 37111), (8843, 25075), (10915, 20315), (14101, 15725)]