56855890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1523

約数の個数: 64

約数和(自身を含む): 128975616

約数和(自身を除く): 72119726

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1453, 1505, 2795, 2906, 3010, 3913, 5590, 7265, 7826, 10171, 14530, 18889, 19565, 20342, 37778, 39130, 50855, 62479, 94445, 101710, 124958, 132223, 188890, 264446, 312395, 437353, 624790, 661115, 812227, 874706, 1322230, 1624454, 2186765, 4061135, 4373530, 5685589, 8122270, 11371178, 28427945, 56855890]

約数ペア:

[(1, 56855890), (2, 28427945), (5, 11371178), (7, 8122270), (10, 5685589), (13, 4373530), (14, 4061135), (26, 2186765), (35, 1624454), (43, 1322230), (65, 874706), (70, 812227), (86, 661115), (91, 624790), (130, 437353), (182, 312395), (215, 264446), (301, 188890), (430, 132223), (455, 124958), (559, 101710), (602, 94445), (910, 62479), (1118, 50855), (1453, 39130), (1505, 37778), (2795, 20342), (2906, 19565), (3010, 18889), (3913, 14530), (5590, 10171), (7265, 7826)]