814368520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78607}}^1$

素因数の和:78662

約数の個数: 64

約数和(自身を含む): 2150714880

約数和(自身を除く): 1336346360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 78607, 157214, 314428, 393035, 550249, 628856, 786070, 1100498, 1572140, 2200996, 2751245, 2908459, 3144280, 4401992, 5502490, 5816918, 11004980, 11633836, 14542295, 20359213, 22009960, 23267672, 29084590, 40718426, 58169180, 81436852, 101796065, 116338360, 162873704, 203592130, 407184260, 814368520]

約数ペア:

[(1, 814368520), (2, 407184260), (4, 203592130), (5, 162873704), (7, 116338360), (8, 101796065), (10, 81436852), (14, 58169180), (20, 40718426), (28, 29084590), (35, 23267672), (37, 22009960), (40, 20359213), (56, 14542295), (70, 11633836), (74, 11004980), (140, 5816918), (148, 5502490), (185, 4401992), (259, 3144280), (280, 2908459), (296, 2751245), (370, 2200996), (518, 1572140), (740, 1100498), (1036, 786070), (1295, 628856), (1480, 550249), (2072, 393035), (2590, 314428), (5180, 157214), (10360, 78607)]