215172020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41539}}^1$

素因数の和:41592

約数の個数: 48

約数和(自身を含む): 530382720

約数和(自身を除く): 315210700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 41539, 83078, 166156, 207695, 290773, 415390, 581546, 830780, 1163092, 1453865, 1536943, 2907730, 3073886, 5815460, 6147772, 7684715, 10758601, 15369430, 21517202, 30738860, 43034404, 53793005, 107586010, 215172020]

約数ペア:

[(1, 215172020), (2, 107586010), (4, 53793005), (5, 43034404), (7, 30738860), (10, 21517202), (14, 15369430), (20, 10758601), (28, 7684715), (35, 6147772), (37, 5815460), (70, 3073886), (74, 2907730), (140, 1536943), (148, 1453865), (185, 1163092), (259, 830780), (370, 581546), (518, 415390), (740, 290773), (1036, 207695), (1295, 166156), (2590, 83078), (5180, 41539)]