870864190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 1930521600

約数和(自身を除く): 1059657410

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 41, 59, 70, 74, 82, 118, 139, 185, 205, 259, 278, 287, 295, 370, 410, 413, 518, 574, 590, 695, 826, 973, 1295, 1390, 1435, 1517, 1946, 2065, 2183, 2419, 2590, 2870, 3034, 4130, 4366, 4838, 4865, 5143, 5699, 7585, 8201, 9730, 10286, 10619, 10915, 11398, 12095, 15170, 15281, 16402, 16933, 21238, 21830, 24190, 25715, 28495, 30562, 33866, 36001, 39893, 41005, 51430, 53095, 56990, 57407, 72002, 76405, 79786, 82010, 84665, 89503, 106190, 114814, 152810, 169330, 179006, 180005, 199465, 210863, 287035, 303437, 336241, 360010, 398930, 421726, 447515, 574070, 606874, 626521, 672482, 895030, 1054315, 1253042, 1476041, 1517185, 1681205, 2108630, 2124059, 2353687, 2952082, 3034370, 3132605, 3362410, 4248118, 4707374, 6265210, 7380205, 10620295, 11768435, 12440917, 14760410, 21240590, 23536870, 24881834, 62204585, 87086419, 124409170, 174172838, 435432095, 870864190]

約数ペア:

[(1, 870864190), (2, 435432095), (5, 174172838), (7, 124409170), (10, 87086419), (14, 62204585), (35, 24881834), (37, 23536870), (41, 21240590), (59, 14760410), (70, 12440917), (74, 11768435), (82, 10620295), (118, 7380205), (139, 6265210), (185, 4707374), (205, 4248118), (259, 3362410), (278, 3132605), (287, 3034370), (295, 2952082), (370, 2353687), (410, 2124059), (413, 2108630), (518, 1681205), (574, 1517185), (590, 1476041), (695, 1253042), (826, 1054315), (973, 895030), (1295, 672482), (1390, 626521), (1435, 606874), (1517, 574070), (1946, 447515), (2065, 421726), (2183, 398930), (2419, 360010), (2590, 336241), (2870, 303437), (3034, 287035), (4130, 210863), (4366, 199465), (4838, 180005), (4865, 179006), (5143, 169330), (5699, 152810), (7585, 114814), (8201, 106190), (9730, 89503), (10286, 84665), (10619, 82010), (10915, 79786), (11398, 76405), (12095, 72002), (15170, 57407), (15281, 56990), (16402, 53095), (16933, 51430), (21238, 41005), (21830, 39893), (24190, 36001), (25715, 33866), (28495, 30562)]