19703425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 30533760

約数和(自身を除く): 10830335

約数列:

[1, 5, 7, 17, 25, 35, 37, 85, 119, 175, 179, 185, 259, 425, 595, 629, 895, 925, 1253, 1295, 2975, 3043, 3145, 4403, 4475, 6265, 6475, 6623, 15215, 15725, 21301, 22015, 31325, 33115, 46361, 76075, 106505, 110075, 112591, 165575, 231805, 532525, 562955, 788137, 1159025, 2814775, 3940685, 19703425]

約数ペア:

[(1, 19703425), (5, 3940685), (7, 2814775), (17, 1159025), (25, 788137), (35, 562955), (37, 532525), (85, 231805), (119, 165575), (175, 112591), (179, 110075), (185, 106505), (259, 76075), (425, 46361), (595, 33115), (629, 31325), (895, 22015), (925, 21301), (1253, 15725), (1295, 15215), (2975, 6623), (3043, 6475), (3145, 6265), (4403, 4475)]