208387890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 594925056

約数和(自身を除く): 386537166

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 43, 45, 54, 62, 81, 86, 90, 93, 129, 135, 155, 162, 186, 193, 215, 258, 270, 279, 310, 386, 387, 405, 430, 465, 558, 579, 645, 774, 810, 837, 930, 965, 1158, 1161, 1290, 1333, 1395, 1674, 1737, 1930, 1935, 2322, 2511, 2666, 2790, 2895, 3474, 3483, 3870, 3999, 4185, 5022, 5211, 5790, 5805, 5983, 6665, 6966, 7998, 8299, 8370, 8685, 10422, 11610, 11966, 11997, 12555, 13330, 15633, 16598, 17370, 17415, 17949, 19995, 23994, 24897, 25110, 26055, 29915, 31266, 34830, 35898, 35991, 39990, 41495, 49794, 52110, 53847, 59830, 59985, 71982, 74691, 78165, 82990, 89745, 107694, 107973, 119970, 124485, 149382, 156330, 161541, 179490, 179955, 215946, 224073, 248970, 257269, 269235, 323082, 359910, 373455, 448146, 484623, 514538, 538470, 539865, 672219, 746910, 771807, 807705, 969246, 1079730, 1120365, 1286345, 1344438, 1543614, 1615410, 2240730, 2315421, 2423115, 2572690, 3361095, 3859035, 4630842, 4846230, 6722190, 6946263, 7718070, 11577105, 13892526, 20838789, 23154210, 34731315, 41677578, 69462630, 104193945, 208387890]

約数ペア:

[(1, 208387890), (2, 104193945), (3, 69462630), (5, 41677578), (6, 34731315), (9, 23154210), (10, 20838789), (15, 13892526), (18, 11577105), (27, 7718070), (30, 6946263), (31, 6722190), (43, 4846230), (45, 4630842), (54, 3859035), (62, 3361095), (81, 2572690), (86, 2423115), (90, 2315421), (93, 2240730), (129, 1615410), (135, 1543614), (155, 1344438), (162, 1286345), (186, 1120365), (193, 1079730), (215, 969246), (258, 807705), (270, 771807), (279, 746910), (310, 672219), (386, 539865), (387, 538470), (405, 514538), (430, 484623), (465, 448146), (558, 373455), (579, 359910), (645, 323082), (774, 269235), (810, 257269), (837, 248970), (930, 224073), (965, 215946), (1158, 179955), (1161, 179490), (1290, 161541), (1333, 156330), (1395, 149382), (1674, 124485), (1737, 119970), (1930, 107973), (1935, 107694), (2322, 89745), (2511, 82990), (2666, 78165), (2790, 74691), (2895, 71982), (3474, 59985), (3483, 59830), (3870, 53847), (3999, 52110), (4185, 49794), (5022, 41495), (5211, 39990), (5790, 35991), (5805, 35898), (5983, 34830), (6665, 31266), (6966, 29915), (7998, 26055), (8299, 25110), (8370, 24897), (8685, 23994), (10422, 19995), (11610, 17949), (11966, 17415), (11997, 17370), (12555, 16598), (13330, 15633)]