8640590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 19315584

約数和(自身を除く): 10674994

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 85, 106, 119, 137, 170, 238, 265, 274, 371, 530, 595, 685, 742, 901, 959, 1190, 1370, 1802, 1855, 1918, 2329, 3710, 4505, 4658, 4795, 6307, 7261, 9010, 9590, 11645, 12614, 14522, 16303, 23290, 31535, 32606, 36305, 50827, 63070, 72610, 81515, 101654, 123437, 163030, 246874, 254135, 508270, 617185, 864059, 1234370, 1728118, 4320295, 8640590]

約数ペア:

[(1, 8640590), (2, 4320295), (5, 1728118), (7, 1234370), (10, 864059), (14, 617185), (17, 508270), (34, 254135), (35, 246874), (53, 163030), (70, 123437), (85, 101654), (106, 81515), (119, 72610), (137, 63070), (170, 50827), (238, 36305), (265, 32606), (274, 31535), (371, 23290), (530, 16303), (595, 14522), (685, 12614), (742, 11645), (901, 9590), (959, 9010), (1190, 7261), (1370, 6307), (1802, 4795), (1855, 4658), (1918, 4505), (2329, 3710)]