209128430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{14159}}^1$

素因数の和:14384

約数の個数: 32

約数和(自身を含む): 432276480

約数和(自身を除く): 223148050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14159, 14770, 28318, 70795, 99113, 141590, 198226, 495565, 991130, 2987549, 5975098, 14937745, 20912843, 29875490, 41825686, 104564215, 209128430]

約数ペア:

[(1, 209128430), (2, 104564215), (5, 41825686), (7, 29875490), (10, 20912843), (14, 14937745), (35, 5975098), (70, 2987549), (211, 991130), (422, 495565), (1055, 198226), (1477, 141590), (2110, 99113), (2954, 70795), (7385, 28318), (14159, 14770)]