87951220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16979}}^1$

素因数の和:17032

約数の個数: 48

約数和(自身を含む): 216800640

約数和(自身を除く): 128849420

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, 16979, 33958, 67916, 84895, 118853, 169790, 237706, 339580, 475412, 594265, 628223, 1188530, 1256446, 2377060, 2512892, 3141115, 4397561, 6282230, 8795122, 12564460, 17590244, 21987805, 43975610, 87951220]

約数ペア:

[(1, 87951220), (2, 43975610), (4, 21987805), (5, 17590244), (7, 12564460), (10, 8795122), (14, 6282230), (20, 4397561), (28, 3141115), (35, 2512892), (37, 2377060), (70, 1256446), (74, 1188530), (140, 628223), (148, 594265), (185, 475412), (259, 339580), (370, 237706), (518, 169790), (740, 118853), (1036, 84895), (1295, 67916), (2590, 33958), (5180, 16979)]