12985700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1461

約数の個数: 72

約数和(自身を含む): 34706112

約数和(自身を除く): 21720412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1427, 1820, 2275, 2854, 4550, 5708, 7135, 9100, 9989, 14270, 18551, 19978, 28540, 35675, 37102, 39956, 49945, 71350, 74204, 92755, 99890, 129857, 142700, 185510, 199780, 249725, 259714, 371020, 463775, 499450, 519428, 649285, 927550, 998900, 1298570, 1855100, 2597140, 3246425, 6492850, 12985700]

約数ペア:

[(1, 12985700), (2, 6492850), (4, 3246425), (5, 2597140), (7, 1855100), (10, 1298570), (13, 998900), (14, 927550), (20, 649285), (25, 519428), (26, 499450), (28, 463775), (35, 371020), (50, 259714), (52, 249725), (65, 199780), (70, 185510), (91, 142700), (100, 129857), (130, 99890), (140, 92755), (175, 74204), (182, 71350), (260, 49945), (325, 39956), (350, 37102), (364, 35675), (455, 28540), (650, 19978), (700, 18551), (910, 14270), (1300, 9989), (1427, 9100), (1820, 7135), (2275, 5708), (2854, 4550)]