420199696

素因数分解:

$2^4\times 7^3\times {\mathrm{23}}^1\times {\mathrm{3329}}^1$

素因数の和:3381

約数の個数: 80

約数和(自身を含む): 991008000

約数和(自身を除く): 570808304

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 343, 368, 392, 644, 686, 784, 1127, 1288, 1372, 2254, 2576, 2744, 3329, 4508, 5488, 6658, 7889, 9016, 13316, 15778, 18032, 23303, 26632, 31556, 46606, 53264, 63112, 76567, 93212, 126224, 153134, 163121, 186424, 306268, 326242, 372848, 535969, 612536, 652484, 1071938, 1141847, 1225072, 1304968, 2143876, 2283694, 2609936, 3751783, 4287752, 4567388, 7503566, 8575504, 9134776, 15007132, 18269552, 26262481, 30014264, 52524962, 60028528, 105049924, 210099848, 420199696]

約数ペア:

[(1, 420199696), (2, 210099848), (4, 105049924), (7, 60028528), (8, 52524962), (14, 30014264), (16, 26262481), (23, 18269552), (28, 15007132), (46, 9134776), (49, 8575504), (56, 7503566), (92, 4567388), (98, 4287752), (112, 3751783), (161, 2609936), (184, 2283694), (196, 2143876), (322, 1304968), (343, 1225072), (368, 1141847), (392, 1071938), (644, 652484), (686, 612536), (784, 535969), (1127, 372848), (1288, 326242), (1372, 306268), (2254, 186424), (2576, 163121), (2744, 153134), (3329, 126224), (4508, 93212), (5488, 76567), (6658, 63112), (7889, 53264), (9016, 46606), (13316, 31556), (15778, 26632), (18032, 23303)]