1304240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 3696192

約数和(自身を除く): 2391952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 137, 140, 170, 238, 272, 274, 280, 340, 476, 548, 560, 595, 680, 685, 952, 959, 1096, 1190, 1360, 1370, 1904, 1918, 2192, 2329, 2380, 2740, 3836, 4658, 4760, 4795, 5480, 7672, 9316, 9520, 9590, 10960, 11645, 15344, 16303, 18632, 19180, 23290, 32606, 37264, 38360, 46580, 65212, 76720, 81515, 93160, 130424, 163030, 186320, 260848, 326060, 652120, 1304240]

約数ペア:

[(1, 1304240), (2, 652120), (4, 326060), (5, 260848), (7, 186320), (8, 163030), (10, 130424), (14, 93160), (16, 81515), (17, 76720), (20, 65212), (28, 46580), (34, 38360), (35, 37264), (40, 32606), (56, 23290), (68, 19180), (70, 18632), (80, 16303), (85, 15344), (112, 11645), (119, 10960), (136, 9590), (137, 9520), (140, 9316), (170, 7672), (238, 5480), (272, 4795), (274, 4760), (280, 4658), (340, 3836), (476, 2740), (548, 2380), (560, 2329), (595, 2192), (680, 1918), (685, 1904), (952, 1370), (959, 1360), (1096, 1190)]