31417070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 63201600

約数和(自身を除く): 31784530

約数列:

[1, 2, 5, 10, 19, 37, 38, 41, 74, 82, 95, 109, 185, 190, 205, 218, 370, 410, 545, 703, 779, 1090, 1406, 1517, 1558, 2071, 3034, 3515, 3895, 4033, 4142, 4469, 7030, 7585, 7790, 8066, 8938, 10355, 15170, 20165, 20710, 22345, 28823, 40330, 44690, 57646, 76627, 84911, 144115, 153254, 165353, 169822, 288230, 330706, 383135, 424555, 766270, 826765, 849110, 1653530, 3141707, 6283414, 15708535, 31417070]

約数ペア:

[(1, 31417070), (2, 15708535), (5, 6283414), (10, 3141707), (19, 1653530), (37, 849110), (38, 826765), (41, 766270), (74, 424555), (82, 383135), (95, 330706), (109, 288230), (185, 169822), (190, 165353), (205, 153254), (218, 144115), (370, 84911), (410, 76627), (545, 57646), (703, 44690), (779, 40330), (1090, 28823), (1406, 22345), (1517, 20710), (1558, 20165), (2071, 15170), (3034, 10355), (3515, 8938), (3895, 8066), (4033, 7790), (4142, 7585), (4469, 7030)]