86674840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 152825960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 131, 136, 139, 140, 170, 238, 262, 278, 280, 340, 476, 524, 556, 595, 655, 680, 695, 917, 952, 973, 1048, 1112, 1190, 1310, 1390, 1834, 1946, 2227, 2363, 2380, 2620, 2780, 3668, 3892, 4454, 4585, 4726, 4760, 4865, 5240, 5560, 7336, 7784, 8908, 9170, 9452, 9730, 11135, 11815, 15589, 16541, 17816, 18209, 18340, 18904, 19460, 22270, 23630, 31178, 33082, 36418, 36680, 38920, 44540, 47260, 62356, 66164, 72836, 77945, 82705, 89080, 91045, 94520, 124712, 127463, 132328, 145672, 155890, 165410, 182090, 254926, 309553, 311780, 330820, 364180, 509852, 619106, 623560, 637315, 661640, 728360, 1019704, 1238212, 1274630, 1547765, 2166871, 2476424, 2549260, 3095530, 4333742, 5098520, 6191060, 8667484, 10834355, 12382120, 17334968, 21668710, 43337420, 86674840]

約数ペア:

[(1, 86674840), (2, 43337420), (4, 21668710), (5, 17334968), (7, 12382120), (8, 10834355), (10, 8667484), (14, 6191060), (17, 5098520), (20, 4333742), (28, 3095530), (34, 2549260), (35, 2476424), (40, 2166871), (56, 1547765), (68, 1274630), (70, 1238212), (85, 1019704), (119, 728360), (131, 661640), (136, 637315), (139, 623560), (140, 619106), (170, 509852), (238, 364180), (262, 330820), (278, 311780), (280, 309553), (340, 254926), (476, 182090), (524, 165410), (556, 155890), (595, 145672), (655, 132328), (680, 127463), (695, 124712), (917, 94520), (952, 91045), (973, 89080), (1048, 82705), (1112, 77945), (1190, 72836), (1310, 66164), (1390, 62356), (1834, 47260), (1946, 44540), (2227, 38920), (2363, 36680), (2380, 36418), (2620, 33082), (2780, 31178), (3668, 23630), (3892, 22270), (4454, 19460), (4585, 18904), (4726, 18340), (4760, 18209), (4865, 17816), (5240, 16541), (5560, 15589), (7336, 11815), (7784, 11135), (8908, 9730), (9170, 9452)]