676201640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 1666224000

約数和(自身を除く): 990022360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 139, 148, 152, 173, 185, 190, 278, 296, 346, 370, 380, 556, 692, 695, 703, 740, 760, 865, 1112, 1384, 1390, 1406, 1480, 1730, 2641, 2780, 2812, 3287, 3460, 3515, 5143, 5282, 5560, 5624, 6401, 6574, 6920, 7030, 10286, 10564, 12802, 13148, 13205, 14060, 16435, 20572, 21128, 24047, 25604, 25715, 26296, 26410, 28120, 32005, 32870, 41144, 48094, 51208, 51430, 52820, 64010, 65740, 96188, 97717, 102860, 105640, 120235, 121619, 128020, 131480, 192376, 195434, 205720, 240470, 243238, 256040, 390868, 456893, 480940, 486476, 488585, 608095, 781736, 889739, 913786, 961880, 972952, 977170, 1216190, 1779478, 1827572, 1954340, 2284465, 2432380, 3558956, 3655144, 3908680, 4448695, 4568930, 4864760, 7117912, 8897390, 9137860, 16905041, 17794780, 18275720, 33810082, 35589560, 67620164, 84525205, 135240328, 169050410, 338100820, 676201640]

約数ペア:

[(1, 676201640), (2, 338100820), (4, 169050410), (5, 135240328), (8, 84525205), (10, 67620164), (19, 35589560), (20, 33810082), (37, 18275720), (38, 17794780), (40, 16905041), (74, 9137860), (76, 8897390), (95, 7117912), (139, 4864760), (148, 4568930), (152, 4448695), (173, 3908680), (185, 3655144), (190, 3558956), (278, 2432380), (296, 2284465), (346, 1954340), (370, 1827572), (380, 1779478), (556, 1216190), (692, 977170), (695, 972952), (703, 961880), (740, 913786), (760, 889739), (865, 781736), (1112, 608095), (1384, 488585), (1390, 486476), (1406, 480940), (1480, 456893), (1730, 390868), (2641, 256040), (2780, 243238), (2812, 240470), (3287, 205720), (3460, 195434), (3515, 192376), (5143, 131480), (5282, 128020), (5560, 121619), (5624, 120235), (6401, 105640), (6574, 102860), (6920, 97717), (7030, 96188), (10286, 65740), (10564, 64010), (12802, 52820), (13148, 51430), (13205, 51208), (14060, 48094), (16435, 41144), (20572, 32870), (21128, 32005), (24047, 28120), (25604, 26410), (25715, 26296)]