199469865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 374169600

約数和(自身を除く): 174699735

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 139, 173, 237, 395, 417, 519, 553, 695, 865, 973, 1185, 1211, 1659, 2085, 2595, 2765, 2919, 3633, 4865, 6055, 8295, 10981, 13667, 14595, 18165, 24047, 32943, 41001, 54905, 68335, 72141, 76867, 95669, 120235, 164715, 168329, 205005, 230601, 287007, 360705, 384335, 478345, 504987, 841645, 1153005, 1435035, 1899713, 2524935, 5699139, 9498565, 13297991, 28495695, 39893973, 66489955, 199469865]

約数ペア:

[(1, 199469865), (3, 66489955), (5, 39893973), (7, 28495695), (15, 13297991), (21, 9498565), (35, 5699139), (79, 2524935), (105, 1899713), (139, 1435035), (173, 1153005), (237, 841645), (395, 504987), (417, 478345), (519, 384335), (553, 360705), (695, 287007), (865, 230601), (973, 205005), (1185, 168329), (1211, 164715), (1659, 120235), (2085, 95669), (2595, 76867), (2765, 72141), (2919, 68335), (3633, 54905), (4865, 41001), (6055, 32943), (8295, 24047), (10981, 18165), (13667, 14595)]