51177700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 128241792

約数和(自身を除く): 77064092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 140, 175, 226, 350, 452, 565, 647, 700, 791, 1130, 1294, 1582, 2260, 2588, 2825, 3164, 3235, 3955, 4529, 5650, 6470, 7910, 9058, 11300, 12940, 15820, 16175, 18116, 19775, 22645, 32350, 39550, 45290, 64700, 73111, 79100, 90580, 113225, 146222, 226450, 292444, 365555, 452900, 511777, 731110, 1023554, 1462220, 1827775, 2047108, 2558885, 3655550, 5117770, 7311100, 10235540, 12794425, 25588850, 51177700]

約数ペア:

[(1, 51177700), (2, 25588850), (4, 12794425), (5, 10235540), (7, 7311100), (10, 5117770), (14, 3655550), (20, 2558885), (25, 2047108), (28, 1827775), (35, 1462220), (50, 1023554), (70, 731110), (100, 511777), (113, 452900), (140, 365555), (175, 292444), (226, 226450), (350, 146222), (452, 113225), (565, 90580), (647, 79100), (700, 73111), (791, 64700), (1130, 45290), (1294, 39550), (1582, 32350), (2260, 22645), (2588, 19775), (2825, 18116), (3164, 16175), (3235, 15820), (3955, 12940), (4529, 11300), (5650, 9058), (6470, 7910)]